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47 Best Monoblock Amplifier in 2021 [Expert Picks]

Are you looking for a decent monoblock amplifier? To help you find the best option for your needs, I researched various products for 30 hours and after doing an in-depth analysis, here’s my list of best options of 2021.

It doesn’t matter what your usage needs are, I’ve made sure that my list includes the best-rated options that are highly suitable for diversified usage needs.

Although my focus has been on listing the right monoblock amplifier that are suitable for diversified needs, I’ve also added a short description, purchase links which should help you make an informed purchase decision.

Before making this list, I also interviewed 46 people who have been using a monoblock amplifier for years and found out important aspects to consider. After doing all of it, I also read customer reviews and made sure that the products I’ve picked are high quality.

47 Best monoblock amplifier in 2021

Purchasing the most expensive monoblock amplifier isn’t the best solution always. Because at times even they miss out the features you need the most. That’s why I always suggest my readers to first ascertain your needs and make sure that the option you’ve picked is able to fulfill it.

Also, I know that the title says that you’ll find the “Best” option but in actuality, you’ll be finding the “Best” monoblock amplifier for diversified usage needs and budgets. Thereby, even if your budget is less, you can check out the products at the bottom.

1. Skar Audio RP-1200.1D Monoblock Class D MOSFET Amplifier with Remote Subwoofer Level Control, 1200W -Multichannel Amplifiers

By Skar Audio

  • Featuring 4-Way Protection Circuitry and 4 Gauge Power & Ground Input Terminals for Maximum Current Flow
  • Class D MOSFET Monoblock Power Amplifier
  • Highly Efficient Heatsink Design allows for Maximum Reliability & Performance
  • Damping Factor – 150<
  • Frequency Response: 20Hz – 250Hz, On-board Bass EQ Switch with +6 or +12dB boost at 45Hz
  • Stable at 1 ohm | Remote Subwoofer Level Control Included
  • Peak Power at 1 Ohm: 1,600 Watts | RMS Power at 1 Ohm: 1,200 Watts

2. Planet Audio PL3000.1D Class D Car Amplifier – 3000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply, Great for Subwoofers -Multichannel Amplifiers

By Planet Audio

  • Class D – Power loss is significantly reduced making the amplifier highly efficient
  • Variable Subsonic Filter – To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion
  • You now have the ability to connect more subwoofers to take advantage of the extra power
  • Variable Bass Boost – Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
  • 1 Ohm Stable – Able to continuously power loads of 1 Ohm without encountering difficulties such as overheating
  • Power – 3000 Watts Max x 1 @1-Ohm, 1500 Watts Max x 1 @2-Ohms
  • You can set exact sound specifications for the bass frequency reproduction
  • Excess energy is stored until it’s needed instead of being converted into heat
  • Reduction in size/weight, reduced power waste, smaller heat sink, compact circuitry
  • Strapping Capable – You are able to strap TWO PL3000.1D amplifiers and double the power that is being sent to your subwoofer(s)
  • Typically made to power up subwoofers that demand the heavier power load requirements to be able to perform the way they were made to
  • Specs – Dimensions: 11.9” x 7” x 2.3”, Weight 6.7 lbs.
  • Variable Low-Pass Crossover – Subwoofers reproduce sound based on a number of different low-range frequencies

3. BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier – 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo -Multichannel Amplifiers

By BOSS Audio Systems

  • Both essentially carry signal from your receiver to your amplifier to your speakers
  • Mosfet Power Supply – A MOSFET is an electrical switch that allows the flow of electrical current
  • It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
  • Specs – Dimensions: 9.13” x 10.44” x 2.25”, Weight: 4.43 lbs., Speaker Impedance: 2 to 8 Ohm, THD @ RMS Output: 0.01%, S/N Ratio: 102 dB, Frequency Response: 9 Hz to 50 kHz, Fuse Quantity: 1 30 Amp ATO Blade
  • You can set exact sound specifications for the bass frequency reproduction
  • Variable Low-Pass Crossover – Subwoofers reproduce sound based on a number of different low-range frequencies
  • We strongly encourage professional installation of this product to ensure proper functionality
  • Low & High Level Inputs – A low level (RCA) input is measured in voltages
  • Switchable Bass Boost – Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
  • Variable Input Gain Control – The gain control is not for adjusting volume
  • Class A/B Topology – Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal
  • It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
  • A high level (+/- wire) input is measured in wattages
  • Power – 1100 Max x 1 @ 2 Ohms, 550 Max x 1 @ 4 Ohms
  • Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
  • Warranty – BOSS Audio Systems provides a 6 Year Platinum Online Dealer Warranty for purchases through Amazon.Com

4. Skar Audio Skar Audio SKv2-2500.1D Monoblock Class D MOSFET Competition Grade Subwoofer Amplifier, 2900W Max Power -Multichannel Amplifiers

By Skar Audio

  • Heavy Duty Advanced Heatsink Design Allows for Maximum Cooling & Efficiency | On-board Bass Boost Control (0-9dB)
  • Peak Power at 1 Ohm: 2,900 Watts | RMS Power at 1 Ohm: 2,500 Watts
  • User Adjustable Low Pass Filter (Variable): 35Hz – 250Hz, Remote Subwoofer Level Control Included
  • Featuring 4-Way Protection Circuitry and 1/0 Gauge Power & Ground Input Terminals for Maximum Current Flow
  • Competition Grade SPL Class D Monoblock MOSFET Car Power Amplifier
  • Stable at 1 Ohm, Frequency Response: 15Hz – 270Hz

5. CT Sounds CT-2000.1D Compact Class D Car Audio Monoblock Amplifier, 2000 Watts RMS -Multichannel Amplifiers

By CT Sounds

  • Small footprint and compact chassis makes this mono amplifier easy to install in any vehicle or car audio application; but don’t let the size fool you, this 2000 watt amplifier absolutely pounds
  • MOSFET pulse width modulated power supply and proprietary heat dissipation design will ensure the amplifier for car subwoofers runs cool for even the most demanding playlists
  • 4-way protection circuitry features high voltage, low voltage, over current, and high-temperature protection; sleep easy at night knowing your class d amplifier car audio is protected
  • Engineered to be the most efficient car monoblock amplifier in its class so that you can get the most out of your vehicle’s electrical system
  • Car audio amplifier with 2000 watts RMS power at 1-ohm load (14.4v); 1200 watts RMS at 2-ohm load (14.4v); 650 watts RMS at 4-ohm load (14.4v); Frequency response: 0 to 320 Hz (Bass Knob Included)

6. Orion Cobalt Monoblock Amplifier – Class D Amplifier 1500W RMS 3000W Max, Car Electronics Car Audio Stereo Subwoofer 1 Ohm Stable Bass Boost MOSFET Full Range Amplifier for Car Speakers Sub Amp -Multichannel Amplifiers

By AVD

  • Low/High Level Inputs – The monoblock subwoofer amplifier for car stereo speakers with mosfet power supply comes with low/high level inputs
  • QUALITY – This Class D Monoblock Amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent place
  • The monoblock amplifier for car speakers also provides a 2-way protection circuitry as a part of its design.
  • A low level (RCA) input is measured in voltages
  • Durable design and highly efficient performance makes this mono sub amp stand out amongst the others.
  • Power – This Class D 3000 watt Amplifier has a power rating distribution as followed 3000 X 1 MAX @ 1 OHM
  • 1 Ohm Stable – This cobalt subwoofer amplifier for car speakers is able to power loads of 1 Ohm on a continuous basis without facing any difficulties like overheating, making extra sounds
  • This Class D amplifier is designed to power subwoofers that have a constant demand of high power in order to operate effectively.
  • A high level (+/- wire) input is measured in wattages
  • Both essentially carry signal from your receiver to your amplifier to your speakers
  • Features – The monoblock bass boost amplifier has features like – Frequency Response: 10~250HZ, Low Pass Filter, Bass Boost, Subsonic Control, Remote Bass Knob, MOSFET Power Supply, Thermal Protection, Phase Shift

7. Precision Power Class D Mono Amplifier 3000W – 30000 Watts Monoblock Class D Subwoofer Amplifier -Multichannel Amplifiers

By Precision Power

  • 1500 Watts x 1 RMS @ 1 Ohm Mono
  • 105dB SENSITIVITY: Picks Up The Highs and Lows For Faithful Sound Reproduction.
  • CROSSOVERS & BASS BOOST: Variable Crossovers and Bass Boosting Ensures Flexible Operation.
  • 1000 Watts x 1 RMS @ 2 Ohms Mono
  • 700 Watts x 1 RMS @ 4 Ohms Mono.
  • REMOTE BASS CONTROL: Mount It Under The Dash or Anywhere Within Reach For Fast Bass Adjustments.

8. Kicker 46CXA8001 Car Audio Class D Amp Mono 1600W Peak Sub Amplifier CXA800.1 -Multichannel Amplifiers

By Kicker

  • KickEQ 6dB variable bass boost for those additional low frequencies
  • Variable 12dB crossovers provides control to dial in perfect sound
  • 24dB subsonic filter for protection from potentially damaging frequencies
  • Efficient Class-D amplifier
  • Variable 12dB crossovers provides control to dial in perfect sound

9. Sound Storm EV1500M Evolution 1500 Watt, 2 Ohm Stable Class A/B, Monoblock, MOSFET Car Amplifier with Remote Subwoofer Control -Multichannel Amplifiers

By Sound Storm Laboratories

  • Dimensions: Depth 10” x Width 10” x Height 2.3”
  • 750 W MAX Power @ 4 Ohm x 1 Channel
  • 6 Year Platinum Online Dealer Warranty
  • RCA Low Level Inputs, High Level Inputs, Variable Low Pass Crossover
  • Variable Bass Boost, Variable Input Gain Control, Input Sensitivity Selector
  • Remote Subwoofer Control
  • 1500 W MAX Power @ 2 Ohm x 1 Channel

10. PRECISION POWER – Black Ice Series ICE2600.1D Monoblock Amplifier 2600W -Multichannel Amplifiers

By Precision Power

  • VERSATILE: Variable 12dB High, Low, Subsonic crossovers with dash-mounted remote gain control allow you to adjust and calibrate the sound to your liking.
  • 3-WAY PROTECTION CIRCUITRY: The Black Ice Series ICE2600.1D comes equipped with thermal, overload, and speaker short protection.
  • POWER: 1-Ohm Stable Class D Monoblock Operation with a regulated MOSFET PWM power supply
  • BASS BOOST: 12dB bass boost to increase low octave harmonics and give your music some extra punch.
  • ENHANCE THE QUALITY: Double-sided PCB’s with all Surface Mount Technology (SMT) for an enhanced listening experience; 

11. CT Sounds CT-1500.1D Compact Class D Car Audio Monoblock Amplifier, 1500 Watts RMS -Electronics

By CT Sounds

  • Car audio amplifier with 1500 watts RMS power at 1-ohm load (14.4v); 850 watts RMS at 2-ohm load (14.4v); 450 watts RMS at 4-ohm load (14.4v); Frequency response: 0 to 320 Hz (Bass Knob Included)
  • MOSFET pulse width modulated power supply and proprietary heat dissipation design will ensure the amplifier for car subwoofers runs cool for even the most demanding playlists
  • 4-way protection circuitry features high voltage, low voltage, over current, and high-temperature protection; sleep easy at night knowing your class d amplifier car audio is protected
  • Engineered to be the most efficient car monoblock amplifier in its class so that you can get the most out of your vehicle’s electrical system
  • Small footprint and compact chassis makes this mono amplifier easy to install in any vehicle or car audio application; but don’t let the size fool you, this 1500 watt amplifier absolutely pounds

12. Blaupunkt 1500W 1-Channel, Monoblock Amplifier -Electronics

By BLAUPUNKT

  • Compactly built so this amplifier can fit perfectly into any trunk
  • 1500W Maximum Power Monoblock Amplifier
  • Optimized 563-watt RMS and a max output power of 1500 watts, you can give your music a huge boost in power that will have you and your passengers partying while on the road

13. Kicker 46CXA8001T CX Series 1600 Watt Max Power Class D Amp Monoblock Car Audio Sub Vehicle Amplifier, Black -Mono Amplifiers

By KICKER

  • ELIMINATES UNWANTED INTERFERENCE: 3-second turn-on/off delay to eliminate unwanted interference
  • VARIABLE CROSSOVERS: Variable 12dB crossovers provide control to dial in the perfect sound
  • CLASS D DESIGN WITH 800 WATTS OF POWER: Efficient Class-D amplifier with 1600 watts of peak power and 800 watts of RMS power
  • PROTECTION FROM DAMAGING FREQUENCIES: 24dB subsonic filter for protection from potentially damaging frequencies
  • KICKEQ BASS BOOST BUILT-IN: KickEQ 6dB variable bass boost for those additional low frequencies

14. JL Audio JD1000/1 Monoblock Class-D Subwoofer Amplifier, 1000 W -Mono Amplifiers

By JL AUDIO

  • Min.Copper Power / Ground Wire Gauge: 4 AWG wire
  • Damping Factor @ 2 Ω: >500 / 50 Hz
  • Damping Factor @ 4 Ω: >1000 / 50 Hz
  • Frequency Response: 7 Hz – 500 Hz (+0, -1dB)
  • S/N Ratio, referred to 1 W: >50 dB (A-weighted, 20 Hz – 20 kHz noise bandwidth)

15. DS18 Hydro NXL600.1D Next Level Full Range Digital Marine 1-Channel 1200 Watts Max Monoblock Amplifier – All Elements for All Applications -Mono Amplifiers

By DS18

  • DS18 Hydro NXL600.1D full range digital Marine One channel monoblock amplifier
  • @ 2-ohms 1 x 400 watts
  • Lpf filter: 50Hz – 250Khz
  • Low level input range: 0.2 – 5V
  • Compact size waterproof for all elements (stainless hardware, UV/Salt Fog protection, IPX6 waterproof level)-NOT FOR SUBMERSIBLE USE
  • RCA input/ speaker/ power direct harness design
  • Dimensions: 192 x 125 x 42 mm.
  • Subsonic: 10 – 50Hz.
  • Frequency response: 50 – 250Khz.
  • Smc (surface mount component) technology
  • @ 4-ohms: 1 x 250 watts
  • Leds indicate working status: power/ protection.
  • RMS output @ 1-ohms: 1 x 600 watts
  • Signal to noise ratio: > 95Db

16. Power Acoustik OD1-5000D Overdrive Series 5000 Watts Max 1 Ohm Mosfet Power Supply Class D Car Audio Monoblock Amplifier, Black -Mono Amplifiers

By Power Acoustik

  • OVERLOAD CIRCUIT PROTECTION: Direct short, thermal, and overload circuit protection
  • MOSFET POWER SUPPLY: Military-grade PCB with PWM MOSFET power supply
  • DOUBLE POWER Bridge 2 monoblocks together for double power
  • SPECIFICATIONS: High/speaker level and low level/RCA input; 4g power wire and 8g speaker wire outputs; Variable 12dB high and low pass crossovers; 12dB bass boost increases low octave harmonics; Dimensions (L x W x H): 16.25 x 8.75 x 4 inches; Weight: 8.22 pounds
  • 1 OHM STEREO: 1-ohm stable monoblock operation for MAX power

17. TORO TECH – R6, 8000 Watts MAX – 3200 Watts RMS 0.5Ω Stable Monoblock Car Amplifier Sound Quality Class D Design, Built-in Auto Sensing Turn-On, Subwoofer Amplifier -Mono Amplifiers

By Toro Tech

  • Built-In Auto Sensing Turn-On Function (Hi-Inputs) for vehicles with or without RCA Inputs
  • To eliminate any possible weak link we’ve spared no expense in offering the best possible connections with Tiffany style RCA jacks for as well as an oversize nickel plated terminal block for power input & speaker output
  • At TORO TECH our sole purpose is to offer the ultimate combination of performance, quality, style and value
  • Each TORO product undergoes rigorous testing to insure it meets our stringent standards before we make it available for sale and all products are 100% QC’d before shipping to customers.
  • Each TORO product is designed and engineered in the USA to exacting standards by audio enthusiasts with decades of combined, hands on experience
  • The R6 Amplifier utilizes a MOSFET power supply for high output and increased stability, variable gain control and remote level control port for optional controller.
  • Response 13Hz – 220kHz, RCA Voltage 200mV ~ 10V, Bass EQ 0Hz ~ 12dB, Dimensions 20.9 (in) x 2.0 (in) x 7.1 (in)
  • The R6 features variable low pass crossovers for system flexibility
  • Selectable Bass Boost EQ ~ 0 ~ 12dB, Variable Gain Control, Soft Delay Remote Turn On/Off Circuit Eliminates Pops and Clicks, Variable Low Pass Electronic Crossover, Freq
  • The Toro Tech R6 is a Sound Quality Class-D Design Mono Block Car Audio Amplifier that produces 3200 Watts x 1 RMS – 8000 Watts x 1 MAX power at 0.5 Ohm and is CTA Compliant to guarantee true rated power

18. Audiobank Monoblock 7000 WATTS Amp Class D 1OHM Car Audio Stereo Amplifier Remote Turn On/Off Circuit/Heavy-Duty Aluminium Alloy Heatsink Power and Protection Indicator P7001 -Mono Amplifiers

By Audiobank

  • LED Power and Protection Indicators
  • Thermal and Speaker Short Protection Circuitry
  • Heavy-Duty Aluminum Alloy Heatsink | Class A-B Operation
  • 1 Ohm Stable Operation & Soft Turn On Circuit
  • Remote Turn-On / Turn-Off Circuit

19. Lanzar B52 Car Audio, Amplifier Monoblock, 1 Channel, 2,000 Watt, 2 Ohm, RCA Input, Bass Boost, Mobile Audio, Amplifier for Car Speakers, Car Electronics, Crossover Network (HTG137) , BLACK -Mono Amplifiers

By Lanzar

  • INTELLIGENT DESIGN: The amplifier monoblock features include power and protection LED indicators; soft turn-on/off; and 1 channel amp design.
  • AUDIO EVOLUTION: This amplifier car audio features excellent frequency response rates and crossover network that place these amps in a class of their own.
  • RCA JACKS: The Line-Out jacks allow you to build multiple amplifier systems without having to use splitter cords to distribute the signal
  • Yet the Lanzar mono amplifier is budget friendly with all the features, reducing crosstalk between channels
  • Please update the listing’s title, description, & bullets.
  • SOUND SPECIALIZATION: This high-powered Power Amplifier is cutting edge technology at its finest
  • RCA connectors ensure a secure connection between amplifier and speakers that allow distortion-free sound.
  • GREAT DEAL: Often a monoblock amp comes with a high price tag
  • This makes it easier to bring one set into the first amp, then use the line out jack as the feed to the next amp.

20. Hifonics Brutus Gamma BG Series 1,900-Watt Max Monoblock Super D-Class Amp (BG-1900.1D) -Mono Amplifiers

By Hifonics

  • 475 watts x 1 at 4 ohms
  • Super Class D technology powered by Ultra-Fi MOSFETs for high power, efficient cooling with minimal distortion
  • 950 watts x 1 at 2 ohms
  • 1,900 watts max
  • Frequency response: 10 Hz to 500 Hz

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21. Planet Audio AC1500.1M Monoblock Car Amplifier – 1500 Watts Max Power, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Remote Subwoofer Control -Mono Amplifiers

By Planet Audio

  • variable bass boost: variable bass boost allows you to adjust the low bass within the boost range to just the way you like it
  • high level inputs: speaker level inputs are commonly referred to as high-level inputs
  • maximum power output of 750 watts at 4 ohms into one channel
  • low-pass crossover: a low-pass filter is an electronic circuit that removes all the notes below the filter’s frequency setting
  • power: max power output of 1500 watts at 2 ohms into one channel
  • this input will be used to connect the ac1500.1m to your factory radio or aftermarket radio that does not have low-level (rca) inputs
  • low level inputs: line level inputs, also known as rca inputs or low-level inputs, use rca interconnect cables to link the ac1500.1m with the source unit
  • a low-pass filter will primarily keep high notes out of your subwoofer(s)
  • this amplifier is designed to run your subwoofer(s) giving them the power that they need to perform as they were meant to
  • most aftermarket radios have multiple pairs of rca outputs that can connect to multiple amplifiers

22. MRV-M500 – Alpine Monoblock 500W RMS V Power Series Car Amplifier -Mono Amplifiers

By ALPINE

  • New snap-on terminal covers for easy installation
  • Evolution to Class D digital platform
  • Current Protection: Over-Current, Over-Voltage, Under-Voltage and Thermal Protection
  • Dimensions (WxHxD) in: 7-7/8” x 2-3/16” x 7-7/8”
  • MRV-M500 – Alpine Monoblock 500W RMS Amplifier

23. Rockville dBcomp5 Mono Competition Amplifier 3500w RMS! Car Audio Amp -Mono Amplifiers

By Rockville

  • Limiter ON/OFF Switch
  • Minimum THD at Rated Power: <0.1%
  • High-Speed MOSFET Power Supply
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc)
  • 2 Ohm: 2200 Watts x 1 Channel <1% THD+N at 14.4 volts (80% efficiency)
  • 1 Ohm: 3500 Watts x 1 Channel <1% THD+N at 14.4 volts (83% efficiency)
  • Frequency Response: 15Hz – 250Hz
  • RCA Preamp Line Output
  • Low Pass Filter: 50Hz – 250Hz
  • Over Voltage Protection at 16V.
  • S / N Ratio: >90dB
  • Dimensions: (W x H x L) 9″ x 2.4″ x 23.7″
  • Fully Adjustable 24dB / Octave Crossover with Differential Circuitry
  • Features: Rockville dBcomp5 Mono Competition Amplifier 3500w RMS Dyno-Certified! Car Audio Amp.
  • Digital voltage display on amp
  • Full IC-Controlled Protection Circuitry
  • External 350A fuse.
  • Phase Control Switch
  • Optical Coupler Class “D” Technology
  • Fully Adjustable 12dB Bass Equalizer
  • Damping Factor: >150 @ 100Hz
  • Remote Dashboard Subwoofer Control.
  • Power/Protect/Clip LED Indicators on Remote control
  • 8 Volt Preamp Circuitry
  • Under Voltage Protection at 10V
  • Subsonic Filter: 15Hz – 55Hz
  • Power/Protect/Clip LED Indicators on control panel
  • Mute and Delay Soft Start System

24. Rockford Fosgate R2-750X1 750-Watt Mono Amplifier -Mono Amplifiers

By Rockford Fosgate

  • Class D technology makes this amp extremely efficient by reducing demand on the vehicles electrical system (RMS Power: 250 Watts x 1 @ 4Ω OR 500 Watts x 1 @ 2Ω OR 750 Watts x 1 @ 1Ω)
  • The R2-750X1 full-range class-D mono amplifier (1.9″ x 6.8″ x 10.1″) is packed with features and performance to deliver power and bass on demand with 750 Watts of RMS power
  • Designed for subwoofers, a variable infrasonic filter and remote level control allows you to tune the bass for the desired level for the music
  • Supply that generates more power as voltage increases, and integrated Punch EQ that corrects for acoustic deficiencies while delivering up to 3X the bass
  • circuitry to help you adjust your gain settings, a P.O.W.E.R
  • Featuring C.L.E.A.N
  • Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller

25. Soundstream BXA1-5000D 5,000 Watt Class D Monoblock Amplifier -Mono Amplifiers

By Soundstream

  • LED MAX BASS Indicators Warning of Extreme Levels
  • Bridge 2 Monoblocks Together for Double Power
  • 5V-10V Output Voltage for Optimum Bass Tuning
  • 125″ H x 11
  • Digital Bass Reconstruction Processor Built-in
  • 125″ W x 2
  • MOSFET Power Supply w/ Audiophile Grade IRTM Transistors
  • 27Hz-63Hz Variable Center/Sweep Frequency
  • Adds Impact to Music w/ Insufficient Sub Bass
  • Variable Q/Width to Broaden or Narrow the Bandwidth
  • 1-ohm Minimum Impedance Monoblock Operation
  • 125″ L
  • Dimensions: 8

26. Rockville RVA-M2 2500w Peak/625w Dyno-Certified RMS @ 1 Ohm Amplifier Mono Car Amp+Remote -Mono Amplifiers

By Rockville

  • Extruded aluminum heatsink
  • Damping Factor: >150 @ 100Hz
  • 2 Ohm: 440 Watts (<1% THD @ 14.4 Volts) (82.4% efficient)
  • Radiation cooling keeps the amp running at high volumes for hours straight.
  • Metal Bass Remote Included
  • Rockville RVA-M2 2500w Peak/625w Dyno-Certified RMS @ 1 Ohm Amplifier Mono Car Amp+Remote
  • 1 Ohm: 2500 Watts
  • Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc).
  • S/N Ratio: >90dB
  • Weight: 7 lbs
  • Status Mode LED Indicator
  • 4 Ohm: 264 Watts (<1% THD @ 14.4 Volts) (83.7% Efficient)
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc).
  • Over Voltage Protection at 16V
  • Fuse: 30A*2
  • Minimum THD at Rated Power: <0.1%
  • Low Pass Filter: 32Hz – 300Hz
  • Full IC-Controlled Protection Circuitry.
  • Phase Control Switch
  • Frequency Response: 10Hz – 300Hz
  • Adjustable 0-12dB Bass Equalizer
  • Class D Technology
  • 1 Ohm: 625 Watts(<1% THD @ 14.4 Volts) (70.2% efficient)
  • Technology: This series uses a reliable Class D circuitry that gives you the most reliability and the most power for your money
  • High-Speed MOSFET Power Supply
  • Fully Adjustable 12dB / Octave Crossover with Differential Circuitry
  • Subsonic Filter: 10Hz – 50Hz
  • Dimensions: (L x W x H) 13″ x 8.5″ x 2.24″
  • Under Voltage Protection at 9V
  • Mute and Delay Soft Start System

27. Skar Audio RP-1500.1DM 1,500 Watt Monoblock Class D Marine Subwoofer Amplifier -Electronics

By Skar Audio

  • Featuring 4-Way Protection Circuitry and 4 Gauge Power & Ground Input Terminals for Maximum Current Flow
  • Peak Power at 1 Ohm: 2,300 Watts | RMS Power at 1 Ohm: 1,500 Watts
  • Frequency Response: 20Hz – 250Hz, On-board Bass EQ Switch with +6 or +12dB boost at 45Hz
  • Highly Efficient Heatsink Design allows for Maximum Reliability & Performance
  • Stable at 1 ohm | Remote Subwoofer Level Control Included
  • Marine Class D MOSFET Monoblock Power Amplifier
  • Fully Marini zed with Waterproof Coating on Circuit Board & Rust Proof Painting on Mechanical Case

28. SoundQubed S1-2250.1 2300W RMS Car Audio Amplifier, 1 Ohm Stable Monoblock Amp Class D w/Remote Gain Control Knob and LED Clipping Indicator -Mono Amplifiers

By SoundQubed

  • Dial in the perfect tuning for your sub stage with the S1-2250.1’s subsonic and low-pass filtering
  • If you want to jump into car audio with both feet, this amp will push a pair of HDS3.2 Subwoofers.
  • We focus on getting high-quality products into the hands of DIY audio enthusiasts at affordable prices
  • Know your charging specs before you buy this amp
  • Surface-mount feet make securely mounting the S1-2250.1 a cinch
  • Stays Cool as a Cucumber: Added heatsink and improved circuitry make for excellent cooling
  • This efficient class D monoblock amplifier design keeps more power flowing to your system instead of turning into heat, so you can play louder for longer.
  • Easy Install, even for Dummies: Set screw terminals connect easily to your power and speaker wire
  • Our team members provide the education and service after the sell to help you shape your car audio experience with confidence.
  • If you want to push SPL competition-level power, you can strap two S1-2250.1s for higher combined power output
  • So, for a 2000W class D monoblock amplifier, you would need a 200 amp alternator.
  • Wiring configuration and ohm load allow output from 800 to 2800 Watts RMS.
  • You generally need 100 amp hours per 1000W
  • Our Longevity is Your Advantage: Established in 2002 as Audioque (AQ), we have nearly 20 years of innovation behind our products
  • Powerful Monoblock Bass Amplifier: Puts out up to 2800W RMS @ 1 ohm with charging system upgrades (16V)
  • Not for Everyday Stereo Systems: The S1-2250.1 is a Class D subwoofer amp for serious bassheads with serious charging systems at their disposal
  • This is an audio amplifier for cars with upgraded electrical systems
  • To get everything you need for installation, check out the SoundQubed Zero Gauge amp kit

29. Hifonics BG-4000.1D Brutus Gamma Monoblock Super D Class 4000 Watt Car Audio Sound System Subwoofer Speaker Amp Amplifier with Bass Remote -Mono Amplifiers

By Hifonics

  • POWERFUL SOUND: Deliver powerful sound to your speakers and subwoofers with this Super D Class, 4,000-watt, mono car audio amplifier; Wired bass remote included
  • OPERATION: Control your sound with mono only operation, variable electronic crossover, and electronic equalizer capabilities; Monitor overload and speaker short protection with illuminated indicators on the amplifier end panel
  • POWER: Power ratings: @ 1 ohms – 1 channel x 4,000 watts; @ 2 ohms – 1 channel x 2,200 watts; @ 4 ohms – 1 channel x 1,100 watts; Dual coil Pulse Width Modulated power supply keeps voltage constant through Ultra-Fi output devices
  • OUTPUT TECHNOLOGY: Ultra-Fi MOSET output device technology and classic Hifonics aluminum construction for powerful sound, efficient cooling, and minimal distortion
  • CONNECTORS: Secure molded connection terminal with easy-to-access, angled ports for all power, ground, and speaker connections and high-temperature, impact-resistant, nickel-plated connectors; Nickel-plated connectors deliver efficient high/low level audio, crisp sound, while providing a secure and erosion-resistant seal

30. BOSS Audio Systems PT1000 2 Channel Car Amplifier – 1000 Watts, Full Range, Class A/B, 2-8 Ohm Stable, Mosfet Power Supply, Bridgeable -Mono Amplifiers

By BOSS Audio Systems

  • It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
  • 62 lbs.
  • Full Range – With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
  • Specs – Dimensions: 9
  • 31” x 2
  • 25”, Weight: 6
  • Mosfet Power Supply – A MOSFET is an electrical switch that allows the flow of electrical current
  • Variable Gain Control – The gain control is not for adjusting volume
  • Class A/B Topology – Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal
  • 5” x 10
  • – BOSS Audio Systems provides a powerful 6 year Platinum Online Dealer so long as the purchase is made through
  • Variable Bass Boost – With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)
  • Bridgeable – Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels
  • It controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
  • Power – 500 Watts Max x 2 @2-Ohms, 250 Watts Max x 2 @4-Ohms, 1000 Watts Max x 1 Bridged @4 Ohms
  • Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
  • We strongly encourage professional installation of this product to ensure proper and safe functionality

31. BOSS Audio Systems PT1600 2 Channel Car Amplifier – Phantom Series, 1600 Watts, Full Range, Class A/B, 2-8 Ohm Stable, Mosfet Power Supply, Bridgeable -Dual-Channel Amplifiers

By BOSS Audio Systems

  • Variable Gain Control – The gain control is not for adjusting volume It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
  • Full Range – With a Full Range amplifier you not only have the option to run your speakers but also your subwoofers
  • Specs – Dimensions 14” x 10 3” x 2 3” Weight 9 lbs
  • Bridgeable – Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels
  • Variable Bass Boost – With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)
  • – BOSS Audio Systems provides a powerful 6 year Platinum Online Dealer so long as the purchase is made through We strongly encourage professional installation of this product to ensure proper and safe functionality
  • Mosfet Power Supply – A MOSFET is an electrical switch that allows the flow of electrical current It controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
  • Power – 800 Watts Max x 2 @2-Ohms 400 Watts Max x 2 @4-Ohms 1600 Watts Max x 1 Bridged @4 Ohms
  • Class A/B Topology – Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal

32. I Only Listen to Tubes Power Amplifier Audiophile T Shirt -Dual-Channel Amplifiers

By Audiophile Power Amplifier Speaker Shirt

  • T Shirt gift for tube amp owner, tube integrated audio power amplifier owner or builder which amplifier is driving headphones or speakers
  • Whether it’s a single ended triode, push pull, class A, AB, stereo or monoblock amplifier, every audiophile enjoys warm sound from tubes power amplifier in this tshirt
  • Lightweight, Classic fit, Double-needle sleeve and bottom hem

33. Sundown Audio SFB-3000D 3000W RMS Class D Amplifier -Dual-Channel Amplifiers

By Sundown Audio Amplifier

  • Features: Monoblock Class D Amplifier
  • Input Sensitivity: 200MV, Signal-to-Noise Ratio: 86dB, Frequency Response: 10Hz-20kHz (-3dB).
  • Bass Boost: 0 to 12dB (50Hz), Thermal Management: Smart Cooler (Fan Powered by Temperature or Audio with 3 Speeds), Input Impedance: 56K-Ohms, Protection System: Output Short/High/Low Supply Voltage/Thermal Protection, Minimum Supply Voltage: 9V DC, Maximum Supply Voltage: 16V DC, Dimensions: TBA.
  • Crossover: High Pass Filter: 15 to 80Hz (-12dB/8) Variable | Low Pass Filter: 80Hz to Full (-12dB/8) Variable
  • Power Handling: Maximum Output Power at 14.4V DC 1-Ohm: 3000W RMS | Maximum Output Power at 14.4V DC 2-Ohm: 2025W RMS | Maximum Output Power at 14.4V DC 4-Ohm: 1140W RMS

34. American Bass Hybrid Amplifier Linkable 4800 Watts Class D VFL HYBRID-4800.1D -Dual-Channel Amplifiers

By Muryobaoo

  • Product Dimensions: Length: 14.5″ Width: 6.0″ Height: 2.5″
  • Damping Factor: Grater Than 150 Input Sensitivity: 6V – 0.2V Subsonic Filter (24dB) : 10Hz – 50Hz Low Pass Filter (24dB) : 35Hz – 250Hz
  • MAX: 4800 Watts RMS: 2400 Watts Frequency response: 15Hz – 300Hz Efficiency @ 4 Ohm: 85 Percent Signal To Noise Ratio: Grater Than 85dB
  • This Listing Includes: (1) VFL Hybrid Amplifier HYBRID-4800.1D (1) Mountable Remote Gain Control Knob with Clipping Indicator
  • Bass Boost @ 45Hz : 0dB – 9dB Linkable ( Output Master / Input Slave) High Quality Tiffany RCA Jack 4 Way Protections : ( DC, Speaker Short, Thermal And Voltage)

35. Skar Audio Dual 10″ Complete 2,400 Watt SDR Series Subwoofer Bass Package – Includes Loaded Enclosure with Amplifier -Dual-Channel Amplifiers

By Skar Audio

  • Includes x1 Skar Audio RP-1200.1D Class D 1,200 Watt Monoblock Car Subwoofer Amplifier
  • All-in-One Complete SDR Series Loaded Subwoofer Complete Bass Package
  • Peak Power: 2,400 Watts
  • Includes x1 Skar Audio SDR-2X10D4 Dual 10″ Loaded 2,400 Watt Vented Subwoofer Enclosure
  • RMS Power: 1,200 Watts

36. Blaupunkt AMP3000D 3000W 1-Channel Monoblock Amplifier -Dual-Channel Amplifiers

By BLAUPUNKT

  • Max Output Power:3000W / RCA Input: 2 Channel / Fuse:40A x 3
  • Crossover Frequency: 50Hz-250Hz / Crossover Slope: 24dB/oct / Gain Adjust:200mV ~8V
  • Frequency Response: 10Hz – 250Hz / Signal to Noise Ratio=> 96dB
  • Amplifier Class:D / Monoblock Amplifier / Voltage Supply; 11-16V DC
  • RMS Power (4 Ohms): 380W x 1 / (2 Ohms): 630W x1 / (1 Ohms): 800W x 1

37. KICKER CX400.1 400 Watt Class D Mono Amplifier for Car Audio Speakers, Black -Dual-Channel Amplifiers

By KICKER

  • Features a three-second on/off delay to eliminate unwanted interference
  • KickEQ 6 dB variable bass boost for any low frequencies you run into
  • CX-Series Mono is an efficient Class-D amplifier for your car
  • Variable 12 dB crossovers let you control the dial to optimize your sound
  • 24 dB subsonic protects the speaker from any potentially damaging frequencies

39. Soundstream BXA1-10000D 10,000 Watt Class D Monoblock Amplifier -Dual-Channel Amplifiers

By Soundstream

  • 1-ohm Minimum Impedance Monoblock Operation
  • Digital Bass Reconstruction Processor Built-in
  • 125″ W x 2
  • Bridge 2 Monoblocks Together for Double Power
  • Variable Q/Width to Broaden or Narrow the Bandwidth
  • Adds Impact to Music w/ Insufficient Sub Bass
  • MOSFET Power Supply w/ Audiophile Grade IRTM Transistors
  • 5V-10V Output Voltage for Optimum Bass Tuning
  • 75″ L
  • 125″ H x 19
  • LED MAX BASS Indicators Warning of Extreme Levels
  • Dimensions: 8
  • 27Hz-63Hz Variable Center/Sweep Frequency

40. Audiopipe Class D Monoblock Amplifier 1500W -Dual-Channel Amplifiers

By Audiopipe

  • 1 Channel @ 4 Ω – 600W
  • Signal to Noise Ratio: >70dB, Frequency Response: 8Hz ~ 180KHz
  • 1500 Watts
  • 1 Channel @ 2 Ω – 950W
  • 1 Channel Class D
  • 1 Channel @ 1 Ω – 1500W

Related Posts :

41. Hifonics Zeus 1X1800WATTS@1OHM Mono (ZG-1800.1D) -Everything Else

By Hifonics

  • country of origin : Chile
  • Product type :SPEAKERS
  • Package Dimensions: 10.2 L x 36.6 H x 27.6 W (cm)
  • Package Weight: 5.89 kg

43. XTR 1500.1DZ Amplifier Class D 1 OHM Stable ORION MONOBLOCK Mono 1 Channel 1500 WATTS RMS -Everything Else

By Orion

  • Signal Noise Ratio:       90dB
  • Frequency Response   20Hz~300KHz
  • RMS Watts @ 4 Ohm Stereo 12
  • 6V:   600 Watts X 1 Channel / RMS Watts @ 2 Ohm Stereo 12
  • 6V: 975 Watts X 1 Channel / RMS Watts @ 1 Ohm Stereo 12
  • 6V: 1500 Watts X 1 Channel
  • 30Hz-250Hz
  •    30Hz-250Hz / Low Pass Freq
  • Hi Pass Freq
  • RMS Power Watts:       6000 Watts

45. Kicker 46CXA1200.1 1200-Watt Class D Monoblock Subwoofer Amplifier -Everything Else

By Kicker

  • KickEQ 6dB variable bass boost for those additional low frequencies.
  • Three-second turn-on/off delay to eliminate unwanted interference
  • Signal to Noise Ration: 95dB
  • Efficient Class-D amplifier
  • 24dB subsonic filter for protection from potentially damaging frequencies
  • CXRC Remote Bass Capable (sold sep.)
  • Variable 12dB crossovers provides control to dial in perfect sound
  • (30,6 mm)
  • KICKER 46CXA12001T CXA1200.1 1200 Watt RMS Mono Class D Car Stereo Amplifier Amp
  • Accepts up to 40-volt input signal
  • Active Crossover: Variable Lo-pass 50Hz–200Hz, 12dB/octave
  • KickEQ Boost: Variable 0-6dB @40Hz.
  • Specifications: Power Rating: 4 ohms: 600 watts x 1 chan., 2 ohms: 1200 watts x 1 chan., 1 ohms: 1200×1 +/-10% chan.
  • Input sensitivity: Low level: 250mV-10V ; High level: 1V-40V
  • Small footprint for easier installation.
  • Vertical mounting hardware included for another unique look
  • Dimensions: 12 in
  • Weight: 7.75 lbs.
  • Compatible with CXARC Remote Bass Control
  • FIT+ (Fail-safe Integration Technology-PLUS) means it works with nearly every radio
  • Subsonic Filter @ 25hz, 24db/octave
  • Dimension (L x W x H): 15.75 inch x 9 inch x 4 inch
  • Frequency Response: 25 – 200Hz

46. HD1200/1 – JL Audio Monoblock 1200W Subwoofer Speaker Amplifier -Everything Else

By JL AUDIO

  • Remote level control with optional controller
  • Tightly regulated, intelligent power supply maintains full power at any impedance from 1.5-4 ohms and at any supply voltage from 11v-14.5v
  • Fully variable frequency selection from 50-500Hz with detented, calibrated potentiometer.
  • Dimensions: 10.74 in W x 8.29 in D x 1.5 in H
  • Patented Single Cycle Control technology delivers reference-grade audio

47. CT Sounds CT-700.1D Compact Class D Car Audio Monoblock Amplifier, 700 Watts RMS -Everything Else

By CT Sounds

  • Car audio amplifier with 700 watts RMS power at 1-ohm load (14.4v); 380 watts RMS at 2-ohm load (14.4v); 200 watts RMS at 4-ohm load (14.4v); Frequency response: 0 to 320 Hz (Bass Knob Included)
  • 4-way protection circuitry features high voltage, low voltage, over current, and high-temperature protection; sleep easy at night knowing your class d amplifier car audio is protected
  • MOSFET pulse width modulated power supply and proprietary heat dissipation design will ensure the amplifier for car subwoofers runs cool for even the most demanding playlists
  • Small footprint and compact chassis makes this mono amplifier easy to install in any vehicle or car audio application; but don’t let the size fool you, this 700 watt amplifier absolutely pounds
  • Engineered to be the most efficient car monoblock amplifier in its class so that you can get the most out of your vehicle’s electrical system

The Brands & Sellers

Before writing this post, I did huge research to find reputable brands and sellers who manufactured the best monoblock amplifier. I did it because a product from such brands/sellers would have better customer support, global support, and better warranty options. Based on my research, here are the best brands/sellers.

  • Skar Audio
  • Planet Audio
  • BOSS Audio Systems
  • CT Sounds
  • AVD
  • Precision Power
  • Kicker
  • Sound Storm Laboratories
  • BLAUPUNKT
  • KICKER

The Buyer’s Guide

Although the main goal of this post is to help you find the finest monoblock amplifier option in the market, I’ve added this buyer’s guide to further assist you in finding out the important factors to consider when purchasing.

1. Your Requirements vs Features

One of the most important things to consider when purchasing a monoblock amplifier is to make sure that it has all the features you need. Also, make sure that it’s capable of doing all the things you want it to do. But, how? Well, I’ve included the notable features and tasks that can be achieved.

In some cases I might’ve not added all the features, the best way to know the offering in that case would be to check out the product listing or find individual reviews and check if the option you’ve chosen is capable of handling all your requirements.

2. The Price

If it wasn’t for budget, everyone would’ve bought the most prime option, but in a real world, all our purchases are restricted by our budget. Although, it’s important to stick to it, if you’re missing out some important features which are important to you, then it could be a bad decision. That’s why I always suggest you first make a list of requirements and then set a budget.

3. Brands / Seller Support (Customer Support, Product Quality.)

One of the reasons why branded monoblock amplifier are slightly priced more than unbranded options is because of the additional value they add. When you purchase from a reputed brand/seller, you get better customer support, global warranties (in some cases), and the product quality is exceptional.

4. Customer Reviews

One of the best ways to judge a product is looking at the reviews and that stands true in the case of monoblock amplifier too. But how? Well, for all the products I’ve mentioned in this list, I’ve added a purchase link, you can click on it and you’ll find their ratings, click on it and you’ll be able to read the reviews.

5. Individual Website Reviews

I don’t often do in-depth individual reviews, but individuals who make videos or blog posts about their experience with the monoblock amplifier they bought. You can just make a search for the product model and add the term “review” behind it to find a few of them. Read them to get more clarity.

6. Consult Professionals or Existing users

One of the things I personally believe is that monoblock amplifier experts or existing users have better knowledge about it. It’s because they either know a lot about the industry or have been using the model for a long time. The good thing is, I’ve already done a huge research by interviewing such people before making this list.

Frequently Asked Questions

Which is the best monoblock amplifier to consider in 2021?

According to me, the best monoblock amplifier to consider this year is the HD1200/1 – JL Audio Monoblock 1200W Subwoofer Speaker Amplifier, because 79% of the people I interviewed, voted for it as the best option.

Which is the most expensive monoblock amplifier and is it worth it?

The HD1200/1 – JL Audio Monoblock 1200W Subwoofer Speaker Amplifier is the most expensive option. It comes from a reputed brand and has additional features. If budget isn’t an issue, one should surely consider it.

Which is the cheapest monoblock amplifier and should you buy it?

The I Only Listen to Tubes Power Amplifier Audiophile T Shirt is among the cheapest monoblock amplifier available. It’s cheap, but has notable features, if you’re planning to get it, make sure that it has all the features you’re looking for.

Is it safe to purchase a monoblock amplifier online?

This is a question I get a lot, the answer to it is – Online shopping experience depends on the website you’re purchasing from, that’s why make sure that the website you’re shopping is trustworthy. In our case, I’ve already added links to Amazon which is a very reliable eCommerce website.

What’s the average amount spent by people for a monoblock amplifier?

Based on my experience, the average amount spent by the majority of the people is around 261. Also, based on my experience, 82 spend this much when purchasing a monoblock amplifier.

The Verdict

The in-depth buyer’s guide has finally come to an end, I hope that I’ve helped you find the perfect monoblock amplifier for your usage. I’ve tried to make this list as diversified as possible by including options that are suited for diversified needs and in different price ranges.

In case you’re still unable to decide the right monoblock amplifier for your needs, feel free to contact me or comment below, I’ll try to solve your query or help you find one within 24 hours of reading your message/mail.

Also, if you liked the guide and find it helpful, please feel free to share it with your family and friends on social media platforms like Facebook, Twitter, Pinterest, etc. This way, I get to help more people and you get to help your friends and family.