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49 Best Class D Amplifier Board in 2021 [Expert Picks]

Are you looking for a decent class d amplifier board? To help you find the best option for your needs, I researched various products for 36 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 class d amplifier board 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 42 people who have been using a class d amplifier board 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.

49 Best class d amplifier board in 2021

Purchasing the most expensive class d amplifier board 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” class d amplifier board for diversified usage needs and budgets. Thereby, even if your budget is less, you can check out the products at the bottom.

1. 2pcs TPA3116D2 Class D Stereo DC 5V—24V 2x50W High Power, Digital Audio Amplifier, Subwoofer Power Amplifier Board, Suitable for Home Audio、car Speakers, DIY -Electronics

By Doudou

  • 3.5mm audio port input
  • Excellent performance and cost-effective, widely used in store drainage, home theater, bookshelf audio, car speakers, DIY audio, etc.
  • Dual channel stereo, output power: 2*50W, excellent performance
  • High-performance metal polyester film inductors, high-performance capacitors (maximum temperature resistance 105 degrees), input reverse connection protection, over-voltage/low-voltage protection
  • Using TPA3116D2 chip, 4.5V-26V wide voltage input, high efficiency class D operation, advanced modulation system configuration, multiple switching frequencies, AM interference prevention, master-slave mode synchronization

2. Diymore TPA3116DA DC 12V 24V 100W Mono Channel Digital Power Audio Amplifier Board TPA3116D2 Large Capacity Board -Amplifiers

By diymore

  • Output Power: 100W
  • Chip Type: TPA3116D2
  • Awesome and friendly customer service.
  • Power Supply: 12V 1A(for 5W Speaker)
  • Supply Voltage: DC 12-28V

3. Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier – PAM8302 (1 piece) -Amplifiers

By Adafruit

  • There’s even a volume trim pot so you can adjust the volume on the board down from the default 24dB gain
  • This super small mono amplifier is surprisingly powerful – able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers
  • Since the amp is a class D, its very efficient (over 90% efficient when driving an 8Ω speaker at over half a Watt) – making it perfect for portable and battery-powered projects
  • Comes with a fully assembled and tested breakout board
  • We also include header to plug it into a breadboard and a 3.5mm screw-terminal blocks so you can easily attach/detach your speaker
  • You will be ready to rock in 15 minutes! Speaker is not included, use any 4 ohm or greater impedance speaker.
  • This board is a welcome upgrade to basic “LM386” amps!
  • The output is “Bridge Tied” – that means the output pins connect directly to the speaker pins, no connection to ground.
  • The A+ and A- inputs of the amplifier go through 1.0uF capacitors, so they are fully ‘differential’ – if you don’t have differential outputs, simply tie the Audio- pin to ground
  • It has built in thermal and over-current protection but we could barely tell it got hot
  • Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC.

5. 2 Pieces PAM8406 Mini Audio Amplifier Board DC 5V, 5W+5W Amplifier Module, Digital Power Amp Module Class D 2.0 Dual Channel Audio Stereo Amplify Board for DIY Sound System -Amplifiers

By Weewooday

  • Package contents: you will get 2 pieces of audio amplifier boards, sufficient quantity to meet your various demands
  • PAM8406 amplify module: working voltage: DC 5V; Output power: 5W (2Ω 5V)/3W (4Ω 5V)/1.8W (8Ω 5V); Input method: audio monaural input
  • Reliable quality: PAM8406 amplifier module is made of noble black immersion gold circuit board, compatible with KEMET audio capacitor, filter capacitors with large capacity per channel; Pure copper and gold-plated audio input terminals are included
  • Applications: digital power amplifier board is widely applicable to LCD TVs, Mutimedia speakers, AM/FM system and DABs
  • Characteristics: audio amplifier board has an efficiency of over 90%, which will extend the battery life and can be applied to portable applications; The PAM8406 provides comprehensive protection against faults with short-circuit protection and thermal protection

6. HiLetgo PAM8302 2.5W Class D Single Channel Solo Audio Amplifier Board Amp Module -Amplifiers

By HiLetgo

  • PAM8302 2.5W Class D Single Channel Solo Audio Amplifier Board
  • 5.5V Supply 50dB PSRR at 1KHz
  • Audio Amplifier Board Amp Module
  • Output Power:1.5W at 8¦¸, 10% THD
  • Output Power: 2.5W at 4¦¸, 10% THD

7. Comimark 5Pcs PAM8302 2.5W Class D Single Channel Audio Amplifier Board Amp Module -Amplifiers

By Comimark

  • There’s even a volume trim pot so you can adjust the volume on the board down from the default 24dB gain.
  • We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution.
  • This super small mono amplifier is able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers
  • The A+ and A- inputs of the amplifier go through 1.0uF capacitors, so they are fully ‘differential’ – if you don’t have differential outputs, simply tie the Audio- pin to ground.
  • It has built in thermal and over-current protection but we could barely tell it got hot
  • Package Included: 5 x Development Board(If the number of products received is incorrect, please contact us
  • we will refund or give you a replacement)
  • Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC.

8. PAM8610 Dual Channel DC 12V Pure Digital Audio Stereo Amplifier PCB Board Class D 10W x 2 High Power Amplifier Module -Amplifiers

By Generic

  • Operating Voltage: DC7 5-15v, recommended power supply: DC12V.
  • With 5 5 DC outlet as power supply interface; high efficiency of 90 percent.
  • With over-current, temperature, short-circuit protection, hence safe for use.
  • Adopts Pam8610 chip, No filter, low static current, EMI, power consumption and heat generating.
  • With LED power supply indicator, power supply switch and mute switch, easy to operate.

9. NOYITO Mini TPA3118 Digital Audio Amplifier Board Class D Mono 60W DC8-24V Power Supply -Amplifiers

By NOYITO

  • Input current: 3A Max.
  • Amplifying Type: Class D.
  • Impedance matching: 2-6 ohms.
  • The circuit adopts PBTL mode, so can realize low resistance high power, large internal resistance speakers can be connected in parallel to achieve high power output.
  • This product uses TPA3118 as the main chip, and the power supply range is as wide as 8-24V
  • Output power: 1*60W
  • Frequency response range: 35hz-88khz.
  • Supply voltage: DC 8-24V
  • Channel: Mono
  • The load of 2 ohm speakers can reach up to 60W output under 24V power supply

10. DEVMO TDA7498 100W + 100W Dual Channel Class D Audio Amplifier Board, DC 24V Digital Stereo Power Amp Module for 8Ω Home Theater Subwoofer Computer Speaker Motorcycle -Amplifiers

By DEVMO

  • Package Includes:1PCS TDA7498 Amplifier Board
  • Output power: 100W+100W (Vcc = 36 V, RL = 6Ω, THD: 10%); Output power: 80W+80W (Vcc = 34 V, RL = 8Ω, THD: 10%); High efficiency: 90%
  • Adopts TDA7498 dual-channel power amplifier chip, high power, good sound quality, no distortion, give you a great hearing enjoyment.
  • Provided with short-circuit protection and over temperature protection, besides, it has high efficiency which is up to 90%.
  • Has three kinds of modes: standby, mute and normal working mode.

11. NOYITO DC12V PAM8610 Mini Stereo AMP Audio Amplify Board Class D Digital Portable Amp Module 10W 10W Dual Channel Amplifier -Amplifiers

By NOYITO

  • NOYITO PAM8610 Mini Stereo AMP Audio Amplify Board User Manual Download Link: https://www.amazon.com/clouddrive/share/UoGi3mNID1wj9LORwBBZwmpauNF6ND3IWDo9eKiJgYh
  • Operating Voltage: DC7 5-12v, recommended power supply: DC12V
  • With LED power supply indicator, power supply switch and mute switch, easy to operate
  • Adopts PAM8610 chip, No filter, low static current, EMI, power consumption and heat generating
  • With 5.5×2.5 DC outlet as power supply interface; high efficiency of 90 percent

12. Comimark OEP30Wx2 Audio Module Class D Digital Power Amplifier Board Replace TDA8932 (2Pcs) -Amplifiers

By Comimark

  • Package Included: 2 *Module (If the number of products received is incorrect, please contact us
  • Power amplifier board, then the horn between the two pads DC voltage 0V, between the speaker pad and GND DC voltage is half of the power supply voltage.
  • We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution.
  • we will refund or give you a replacement)
  • 30W dual channel, no heat sink
  • Output short circuit protection

13. HiLetgo TDA7492 2x50W D Class High Power Digital Amplifier Board AMP with Radiator 10-26V -Amplifiers

By HiLetgo

  • Phoenix connectors for easy speaker hook up
  • With 4 model GAIN parts, can auto work on different voltage
  • Rechargeable lithium batteries that last 10-15 hours of continuous use.
  • Short-circuit and over-temperature protection
  • 12″ stereo wiring harness included

14. IRS2092 Class D Amplifier Board/Mono Power Amplifier Board 700w 4ω/350w 8ω -Industrial & Scientific

By Q-BAIHE

  • (Shipping default voltage 40-45V, R6 R7 3.9K)
  • Note: the voltage is below AC 35V, R6 R7 (4.7K 3W) to switch to 2Kω/3W resistance
  • IRS2092 class D Amplifier Board amplifier board
  • Voltage Range: AC double-20V-50V (rectified voltage ± 28V-70V)

16. NOYITO PAM8302 2.5W Single Channel Class D Audio Power Amplifier Amp Development Board (Pack of 2) -Amplifiers

By NOYITO


  • The output is “Bridge Tied” – that means the output pins connect directly to the speaker pins, no connection to ground

  • We also include header to plug it into a breadboard and a 3.5mm screw-terminal blocks so you can easily attach/detach your speaker
  • All the above means that you can’t connect the output into another amplifier, it should drive the speakers directly
  • It has built in thermal and over-current protection but we could barely tell it got hot
  • Since the amp is a class D, its very efficient (over 90% efficient when driving an 8Ω speaker at over half a Watt) – making it perfect for portable and battery-powered projects

  • Comes with a fully assembled and tested breakout board
  • Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC
  • This super small mono amplifier is surprisingly powerful – able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers
  • The output is a high frequency 250KHz square wave PWM that is then ‘averaged out’ by the speaker coil – the high frequencies are not heard

  • There’s even a volume trim pot so you can adjust the volume on the board down from the default 24dB gain
  • You will be ready to rock in 15 minutes! Speaker is not included, use any 4 ohm or greater impedance speaker.
  • The A+ and A- inputs of the amplifier go through 1.0uF capacitors, so they are fully ‘differential’ – if you don’t have differential outputs, simply tie the Audio- pin to ground

17. Bluetooth 5.0 Audio Amplifier/Receiver Board Stereo Sound TPA3116 Kits, 50W x2 DC 5-27V -Amplifiers

By Highlighting

  • Bluetooth 5.0: more stable and faster wireless transmission with less losses.
  • No background noise and pop.
  • Hifi digital class D micro AMP
  • Very powerful and clear Sound
  • Two input ways: BT 5.0 and 3.5mm AUX input.
  • TPA3116D2 Chip, output power: 50W * 2, voltage input: DC 5V-27V, Adapter speaker 4-8Ω 

18. Nobsound TAS5630 2.1 Channel 4ohm Class D Digital Amplifier Board; DIY Power Amp Board for Audiophiles 300W+150W+150W -Amplifiers

By Nobsound

  • Using original TAS5630, OPA1632DR, TL072
  • With 5-loop mental resistors and metal film resistors(±1% precision) in the main circuit, the product achieves an excellent SNR.
  • With the full-screening large current inductance, its sound will be clearer and more powerful.
  • Using 470UF/100V*4 NICHICON capacitor as its main filter electrolysis capacitor, which can provide continuous driving support.
  • All components we used are totally original to ensure its stability.
  • Using 1.6mm thick two sides board, 2.0 oz copper thickness, tin plated workmanship to build the high-quality PCB, which ensures its current conveyance performance.

19. Digital Amplifier Board, TPA3118 Class D Amplifier Board, Digital Subwoofer Power Amplifier Board -Amplifiers

By Zyyini

  • Easy to install and maintain, superior performance.
  • Under the condition of 24V power supply, the load of 2 ohm speakers can reach the maximum output of 60W.
  • The large internal proof speakers can be connected in parallel to achieve large power output.
  • Wide operating voltage, power-saving design, the efficiency of up to 90% or more.
  • Adopting TPA3118 as the main chip, the power supply range is 8-24V.

20. Niubow Digital Power Amplifier Board, PAM8406 Amp DIY Module DC5V 2X5W Class D Dual Channel Audio Stereo Amplify Board -Electronics

By Niubow

  • High-grade Materials: top black immersion gold circuit board, imported KEMET speaker capacitor, large-capacity filter capacitor for channels, and specially customized black copper terminal blocks & gold-plated audio input terminal blocks.
  • Input method is 3.5mm audio monaural input.
  • Protective functions: against reverse connection of power input, short circuit protection, over heat protection, EMI is allowed to pass.
  • Parameters: supply voltage is DC 5V, output power is 5W (2Ω 5V) / 3W (4Ω 5V) / 1.8W (8Ω 5V)
  • APPLICATION: this PAM8406 digital amplifier board has volume knob, can be applied to small speaker sound system DIY.
  • High Performance: efficiency > 90%, general harmonic distortion noise < 10%, low quiescent current and noise suppression.

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21. NOYITO PAM8406 Stereo Class D Audio Amplifier Module Development Board 3W+3W Anti-electromagnetic Interference -Amplifiers

By NOYITO

  • It has strong Anti-electromagnetic interference function can be used in the anti-EMI circuits applications.
  • Impedance: 2-4ohm
  • Strong Anti-electromagnetic interference function can be used in the anti-EMI circuits applications.
  • Power: 3W+3W, Board Size: 32.38 X 26.42mm/1.27 X 1.04inch(L*W)
  • Equipped with PAM8406 amplifer IC supporting class AB/D dual mode output.
  • This is a mini stero audio amplifier board equipped with PAM8406 amplifer IC supporting class AB/D dual mode output

22. 20 Pieces Mini PAM8403 Digital Power Amplifier Board 2 x 3 W Class D Power Amplifier Board 2.5-5V Input USB Power Supply Audio Module -Amplifiers

By Weewooday

  • Information of these amplifier board: the operating voltage of these mini PAM8403 digital power amplifier modules are 2.5-5.5V, the power supply voltage should not exceed 5.5V, and positive and negative power sources cannot be connected reversed; Suitable for speakers with 4-8 ohms, 4 ohms are recommended, and the power of the speakers are 2-8 W
  • Nice performance: adopt quality material, the class D power amplifier board is not easy to heat and affects the sound quality, and there is no need to add heat sink; It’s small in size, has built-in noise-cancelling circuitry, moreover, the module features with short-circuit, over-current protection and over-temperature protection
  • Dual-channel: these PAM8403 digital amplifier boards can provide 3W (left channel) + 3W (right channel) output power and single 5V power supply, directly driven 4 ohms, 8 ohms small speakers, bring you nice using experience
  • Package contents: you will get 20 pieces PAM8403 digital power amplifier board, sufficient quantity can meet you various needs, you can use the 5V power supply of the computer USB port, 5V power supply of the mobile phone charger USB port, or use the lithium batter power supply
  • Wide range of use: these digital power amplifier boards can be applied in LCD TV, monitor, laptop, portable speaker, portable DVD player, game machine, cell phone and more

23. MakerHawk Bluetooth Amplifier Board Hifi Stereo 2.0 2X50W Audio Amplifier Module TPA3116D2 Digital Power Amplifier Bluetooth 5.0 Dual Channel AMP with AUX/USB/Bluetooth/Flash Drive/PC Sound Card Input -Electronics

By MakerHawk

  • TDA3116D2 is widely used in store solicitation, home theater, square speakers, etc.due to its excellent performance and comprehensive cost performance.
  • Advanced oscillator / PLL circuit uses multiple switching frequency options to reject AM interference
  • [Application] The potentiometer adjusts the volume with a switch for easy control of the volume, making it ideal for DIY speakers
  • With AUX, Bluetooth, USB flash drive, USB sound card multiple audio input methods
  • In the event of an overload, the device reports the fault condition to the processor to protect itself from damage
  • It can withstand large current, no heat, no damage to the wire.
  • [HIFI Stereo] High quality dual channel 100W(50W*2) power amplifier board for HIFI music
  • This helps prevent noise
  • [Super Compatibility] 5.0 Bluetooth version, the transmission efficiency is higher and more stable, the transmission distance is farther
  • It adopts copper DC connector and fence type terminal
  • You can enjoy your music in different ways.
  • With active and passive speakers two output methods
  • With a filter inductor, the sound is round and clear.
  • The modulation frequency can be up to 1.2MHZ, and the high power output distortion is less than 0.1%
  • Up to 15m(49 feet) wireless range in open space
  • Can be widely applied to various devices such as tablet PC, TV, smartphone, laptop with Bluetooth.
  • [High Performance] The TPA3116D2 is a Class D amplifier IC from TI that has very high index parameters
  • [High Quality] The TPA3116D2 devices feature short-circuit and thermal protection as well as overvoltage, undervoltage, and DC protection to prevent total failure

24. Comimark 1Pcs XH-M531 Yamaha 220W Digital HiFi Audio Stereo Class D Amplifier Board YDA138-E -Amplifiers

By Comimark

  • XH-M531 Yamaha digital amplifier board dual-core chipset, high-resolution HD Class D audio amplifier board Using original two-channel Yamaha chipset, input DC12V output 20W * 2, crystal-clear sound, instantly conquered listening ears
  • We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution.
  • Frequency range: 20Hz-60KHz
  • Package Contents: 1 x XH-M531 Yamaha 2*20W Digital HIFI Audio Stereo Class D Amplifier Board
  • Yamaha chipset YDA138-E

26. Heaveant Amplifier Board Digital High Power HiFi Digital Amplifier Board TDA8954 420W+420W 2.0 Class D Amplifier Board -Electronics

By Heaveant

  • Two 8A rectifier flat bridges are used, ensuring strong continuous power support.
  • The high-precision chip is selected for the resistance, which ensures the good signal-to-noise ratio of the whole machine.
  • Precise cuts and interfaces ensuring perfect serviceability, suitable for installation locations, easy installation.
  • The P CB adopts 1.6mm thick double-sided plate, 2.0oz copper thickness, and spray tin process ensuring good current passing performance.
  • Made of high quality materials, which can effectively avoid corrosion and wear, sturdy and durable.

27. HiLetgo PAM8610 Mini Stereo AMP Audio Amplify Board Digital Portable Ampli Module 10W+10W Dual Channel Amplifier Class-D 12V DC -Amplifiers

By HiLetgo

  • Operating Voltage: DC7 5-15v, recommended power supply: DC12V
  • Adopts Pam8610 chip, No filter, low static current, EMI, power consumption and heat generating
  • With over-current, temperature, short-circuit protection, hence safe for use
  • With LED power supply indicator, power supply switch and mute switch, easy to operate
  • With 5 5 DC outlet as power supply interface; high efficiency of 90 percent

28. ALMOCN 10Pcs PAM8403 2X 3W Digital Power Amplifier Board Dual Channel Type D AMP Class 2.5-5V Input Audio Module -Amplifiers

By ALMOCN

  • Double-panel wiring, properly solve the wiring caused by the potential balance and crosstalk between channels.
  • Dual-channel stereo, 5V power supply can output 3W +3 W power, can be directly driven 4Ω, 8Ω small speakers, the output power, enough energy, good sound quality.
  • Package Content : 10 Pcs x Super Mini Digital Power Amplifiers Board
  • Excellent noise control
  • When there is no audio input, you cannot hear any noise even you close to the speaker.
  • Unique non-LC filter Class-D digital power board, can directly use the USB as the power supply.

29. NOYITO TPA3110 Dual Channel Stereo Digital Audio Amplifier Board 15W 15W Class D Digital Power Amplifier Module DC8 to 24V For Speakers 4 to 8 ohms -Amplifiers

By NOYITO

  • Output power: 15W*2
  • For speakers 4-8 ohms.
  • Operating voltage: DC DC8V-24V
  • Amplifier chip: TPA3110
  • Number of channels: two-channel stereo

30. 2pcs 12V 2X10W Hi-Fi PAM8610 D Class Audio Stereo Amplifier Board Module Dual -Amplifiers

By Unknown

  • Recommended supply voltage : 12V, PCB board size : (40 * 40) mm
  • Working voltage : DC7.5-15V
  • Work : D Class,Quiescent Current : 20mA
  • Frequency response : 20Hz to 50KHz
  • Efficiency: 90%, Rated output power : 10W +10 W (8Ω)

32. AIYIMA DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp) -Electronics

By AOSHIKE

  • You can use a good switching power supply adapter, laptop switching power supply, Here is our 24V power Adapter link:https://www.amazon.com/dp/B07R28RW4H
  • Maximum support 100W (Bass) bass channel output
  • Operating voltage range: DC 12-24V(maximum voltage is no more than 24V); built-in TPA3116 amplifier chip;This is a pre-amplifier, bass frequency processing, with bass volume potentiometer control of the bass amplifier board.
  • Audio input sensitivity: 500 mv;Speaker impedance: bass speaker impedance: 2-8 ohm
  • DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency
  • 100W Subwoofer Amplifier Board;Bluetooth 5.0 Power Amplifier,Frequency response range: input: 20 hz – 20 KHZ, output: 20 hz – 180 hz

33. NOYITO Mini High Fidelity 2.0 Dual Channel Digital Amplifier Board Module Class D 12V 24V 30W+30W Post Stage Digital Amplifier Board -Amplifiers

By NOYITO

  • Sound transparent, high signal to noise ratio, strong analytical power, wide dynamic range
  • High work efficiency, up to 100%, low static power consumption, only 11mA.
  • Recommended speaker: 30-300W.
  • Small size, 50x30x15mm (does not include potentiometer handle length)
  • Power supply: DC 7.5-24V, ≥2A.
  • Channel Type: Dual Channel 2.0
  • With output short-circuit protection, the work resumes immediately after troubleshooting.
  • Small heat generation, almost no heat from the 12V power supply, enabling long-term, stable, uninterrupted operation
  • High power, can easily drive 100-300W speakers without distortion.
  • Output power: 15-30W x 2 (4-8Ω)

34. ACEIRMC 6pcs PAM8610 215W Digital Dual Channel Stereo Audio Amplifier Board AMP Class D 12V -Amplifiers

By ACEIRMC

  • PAM8610 2 X15w Digital Dual Channel Stereo Audio Amplifier Board AMP Class D 12V
  • Output power: 10w + 10w (8 load)
  • Shutdown Current: 4uA
  • Package Included: 6 x PAM8610 2*15W Dual channel Stereo Class Digital Amplifier Board 12V
  • Supply voltage: DC 7V-15V

35. Dayton Audio KAB-250v3 2x50W Class D Audio Amplifier Board with Bluetooth 4.0 -Electronics

By Dayton Audio

  • New for v3 is a U.FL IPX coaxial connector for internal or external Bluetooth antenna (internal antenna included) and a Bluetooth pairing reset switch
  • Bluetooth 4.0 with aptX built directly into board — no need for a separate module
  • Efficient 2 x 50 watts of power from the TPA3116 amp chip
  • Separate ports for powering by battery or direct DC input from a power adapter
  • Wire harnesses make installation quick and simple with no soldering required — includes power and speaker cables

36. PRECISION POWER – iON Series i520.4 Class D 4-Channel 520W Full-Range Digital Stereo Amplifier with MOSFET Power Supply -Amplifiers

By Precision Power

  • LOW-HEAT PRODUCING CIRCUIT: The iON Series i520.4 has low heat producing circuits with a heavy-duty aluminum alloy heatsink for optimal heat dissipation to prevent damage to the amp and improve the overall performance.
  • 3-WAY PROTECTION CIRCUITRY: The iON Series i520.4 also comes equipped with thermal, overload, and speaker short protection.
  • COMPACT AND POWERFUL: Amplifiers in the iON series can punch above its weight class in terms of power even with a small-sized chassis thanks to the superbly efficient full-range Class D topology and SMT technology built-in.
  • ULTRA SLIM DESIGN: The ultra-slim design of the iON series i520.4 makes it ideal for compact vehicles and motorcycles looking for a music source unit that will not trade power and quality for a smaller frame.
  • MAXIMUM POWER: Built-in MOSFET Power Supply with Audiophile Grade IRTM Transistors let you fully listen to your favorite music without sacrificing audio quality.

37. AITRIP 10 pcs Mini PAM8403 2 3W Class D Digital Amplifier Board 2.5-5V USB Power Supply -Amplifiers

By AITRIP

  • Package : 10 x Super Mini Digital Power Amplifiers Board
  • Operating voltage: 2.5V-5.5V
  • Used for DIY design requiring a miniature audio amplifier, especially portable and mobile applications operating on battery power.
  • Size: 21 x 18 mm; Speaker Load: 4-8 Ohms
  • Note: The “negative” of the left and right channel output terminals cannot be connected together, otherwise the IC will be burned, and the speaker (load) should be connected before power-on.

38. Bluetooth 4.2 Stereo Audio Dual Channel Power Amplifier, TPA3116 Amplifier with 24V 6A DC Adapter, Stereo Hi-Fi Digital Amp 100W x 2, Class D Integrated Amp with Bass & Treble Control (Amp+Adapter) -Electronics

By Facmogu

  • If you have any questions or concerns, please don’t hesitate to contact us.
  • Best for Bookshelf, Computer, Desktop Speakers.
  • EASY TO CONNECT — Perfectly suited for your desktop or a smaller space in your home or office, digital amplifier is easy to connect to your audio system with no software to install or settings to change.
  • THOUGHTFUL DESIGN — Small simple compact design but practical and powerful, Hi-Fi Bluetooth amplifier exclusively designed for the customers who pursue HiFi sound.
  • 1-YEAR WARRANTY — We offer 1-year guarantee period
  • DURABLE — Advanced circuitry design, built-in speakers protection circuit, solid aluminum chassis for long time use, small size, good looks, simple functionality, and excellent sound quality.
  • MULTIPURPOSE — Suitable for MP3, Android, Smartphones, Tablets, Turntable, etc

39. DEVMO 2 PCS Audio Amplifier Board,5W+5W Mini Amplifier Board PAM8406 DC 5V Digital Stereo Power Amp 2.0 Dual Channel Class D Amplify Module for Speaker Sound System DIY -Amplifiers

By DEVMO

  • Input method is monaural input.
  • Factory defaults high electricity level); available to add an external Shutdown (SD: the chip will be Shutdown at low electricity level, factory default high electricity level.
  • Parameters:Audio amplifier board working voltage is DC 5V, output power is 5W (2Ω 5V)/3W (4Ω 5V) / 1.8W (8Ω 5V)
  • High Performance: the digital amplifier module is with high efficiency of over 90%, general harmonic distortion noise is less than 10%, low quiescent current and noise suppression.
  • Artificial Material: this New-designed mini power amplifier is made of noble black immersion gold circuit board, imported KEMET speaker capacitor, large-capacity filter capacitor for channels
  • Additional Function: it is available to connect amplifier type to choose different function (MODE: high electricity level is Type D, low electricity level is Type AB
  • Safe Protection: the class D dual-channel amp board is designed with input reverse connection protection, short circuit protection, over heat protection; what’s more, EMI is allowed to pass.
  • Besides, we customized black copper terminal blocks and gold-plated audio input terminal blocks for this new amplifier module.

40. Blue~Tooth Amplifier Board, DROK Digital Amplifier Wire~Less BT 3.0 4.0 4.1 Audio Amp Board Headphone 2 Channel 50W+50W Blue~Tooth Speaker Board Small Amplifier Module with Case -Amplifiers

By DROK

  • We have upgraded the board replacing the women voice with beeps to indicate the connection status.
  • Protective Function: the BT amp is designed with acrylic protective shell, reverse connection protection, over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection.
  • New Version: No more women voice
  • 2 Powering Methods: the digital amplifier module is equipped with wiring blocks and DC 2.1mm socket which is compatible with most laptop’s power port.
  • Parameter: DROK blue~tooth audio amplifier board wide input voltage range is DC 4.5V-27V, can be powered by 12v or 24v, output power is 50Wx2, SNR is 102dB
  • 2 Audio Input Ways: user can directly connect this blue~tooth speaker board with wire~less Blue~tooth 3.0/4.0/4.1, or choose the headphone (Line in) way.
  • No POP sound when powering this module, skipping song or pausing.

Related Posts :

41. Dual Electronics DBTMA100 Micro Wireless Bluetooth 2 Channel Stereo Class-D Amplifier with | Universal Plug-In | Stereo RCA Outputs | 100 Watts Peak Power | Up to 100ft of Wireless Bluetooth Range -Amplifiers

By Dual Electronics

  • |DUAL LU SPEAKER LINE| – don’t forget to add the top selling Dual Electronics LU43 or LU53 speakers with your DBTMA100 for the best outdoor/indoor acoustic experience
  • |ILLUMINATED HEAT SINK & FRONT PANEL| – with its illuminated heat sink and front panel that includes the volume, bass and treble rotary knobs this will be a statement piece like no other
  • |DUAL CHANNEL CLASS D BLUETOOTH AMPLIFIER| – your portable Bluetooth Dual micro amplifier enables you to have 100 Watts of Peak Power, 25W x 2 RMS, 4 – 8 Ohms of impedance & a frequency response between 20Hz-22kHz for unrivaled sound quality
  • |1 YEAR WARRANTY & DIMENSIONS| – guaranteed high quality and reliability with hassle-free parts and labor warranty including excellent customer service / 3” x 6” x 11” and 3 lbs
  • |WIRED SPEAKERS INTO BLUETOOTH SPEAKERS| – with your micro Bluetooth amplifier there is no need to replace your wired speakers, just insert the speaker wires into the quick release terminals and you instantly have Bluetooth speakers for your enjoyment
  • |BLUETOOTH 4.2 CONNECTIVITY| – your portable Bluetooth micro amplifier will connect effortlessly to your smart device, will remember past paired devices for instant connectivity and maintain a strong wireless connection for up to 100 feet

42. KNACRO 30W + 30W Digital Amplifier Board Class D (PWM Modulation) 2.0 Double Track 12V Wide Voltage Input Rear Stage Power Amplifier Suitable for 30-300W Speaker -Amplifiers

By KNACRO

  • Transparent sound quality, high SNR, analytical ability, wide dynamic range
  • Power, easy to drive 100-300W stage sound without distortion.
  • With output short circuit protection, immediately resume normal work after troubleshooting
  • Substrate selection of high hardness 1,6mm thick FR-4 double-sided.
  • Small size, 50 * 30 * 15mm (does not include potentiometer handle), only the width of two fingers.
  • Heat a small, 12V power supply is almost no heat, long time stable and continuous work.
  • High efficiency, up to 100% lower static power consumption of only 11mA

43. Q100 Bluetooth Amplifier 80W+40Wx2, DSP BT 4.2 Digital Bass Amp with DC 24V 3A Power Supply, 2.1 Channel Mini Class D Stereo Audio Receiver, Wireless Home Theater Power Speaker Amp (Black) -Amplifiers

By Facmogu

  • 2.1 CHANNEL – Low frequency can be as low as 30Hz, 2.1 channel with powerful subwoofer output and shocking bass, sounds smooth and full
  • Hi-Fi sound with rich details and excellent quality brings auditory feast.
  • Please feel free to contact us if you have any question before or after purchasing, our customer service is ready for you at anytime.
  • Package Includes: 1* Q100 Bluetooth amplifier & 1* audio signal cable(1.2m) & 1* AV audio signal cable(1.5m) & 1* 24V/3A Power Supply.
  • Max output power can reach 80W+40W*2, and default equipped with 24V/3A power supply which can output max 72W
  • DUAL DSP SOUND EFFECTS – Adopting STA326 power amp chip with DSP and ATS2825C Bluetooth chip with 16 kinds of sound effects with DSP, much better sound quality and shocking auditory effects make you feel like in the cinema.
  • QUALITY ASSURANCE – We guarantee 30 days return and money back and lifetime customer service
  • to meet different home audio devices
  • TWO INPUT OPTIONAL – With wired AUX and wireless Bluetooth 4.2 input, can be compatible with various audio devices like phone, tablet PC, TV, iPod, computer, CD player etc
  • Please note: the two modes cannot be used at the same time.

44. Fosi Audio DA2120C Bluetooth Amplifier 120W x2 Stereo Hi-Fi 2.1 Channel Wireless Stream aptX, 24Bit/192kHz Class D Compact Mini Power Amp Integrated USB DAC Coaxial Optical, Support Subwoofer & Remote -Electronics

By Fosi Audio

  • Bluetooth 5.0 amplifier with aptX LL let you stream music and stereo sound in crisp.
  • Upgrade your speakers and subwoofer with a 120W@4ohm x2-channel amplifier, high-fidelity streaming music.
  • With a world of input mode options, DA2120C is always getting satisfy in different occasions.
  • With a 6dBi high gain antenna for long range streaming up to 65 ft(20m) in a complex wall structure.
  • Built with multiple input of Bluetooth/USB/optical/coaxial/RCA, including a remote control that infrared adjust the inputs mode/volume/bass/treble/EQ/mute/loudness setting ect.

45. Ximimark 2Pcs D Class OEP30Wx2 Module Mono Digital Power Amplifier Board DC 7.5-24V 36dB Mini Amp Module Replace TDA8932 -Amplifiers

By Ximimark

  • The computer audio input must be changed to 26DB gain.
  • The CS control shutdown current is only 0.3mA
  • Output short circuit protection
  • Small size, high power, no heat sink, suitable for small space embedding.
  • If there is noise/current sound signal input, the noise signal will be amplified.
  • There is no annoying POP sound when starting the power
  • High gain amplification (36DB)
  • Ideal for weak signal amplification, eliminating the need to add preamps and reducing cost
  • The startup quiescent current is 11mA.
  • There is no current sound when the power amplifier works
  • Troubleshooting immediately resumes normal operation.

47. Clyxgs M542 Mono 100W Digital Power Amplifier Board TPA3116D2 Digital Audio Amplifier Board 12-24V -Amplifiers

By Clyxgs

  • – Output Power: 100 W
  • – XH-M542 Mono 100W Digital Power Amplifier
  • – Supply Voltage: DC 12V-26V
  • – Chip Type: TPA3116D2
  • – Model: XH-M542

48. 2 Channel Stereo Audio Class D Amplifier Mini Hi-Fi Professional Digital Amp for Home Speakers 50W x 2 – V1.0G -Electronics

By Fosi Audio

  • 18-month warranty, you can return the item if you have any problems;
  • Simple compact design but practical and powerful, Adopt TI TPA3116D2 chip to get clear and clarity sound, no audible noise, dead silent when nothing is playing through it;
  • Best for bookshelf/computer/desktop/speakers in your room, connect to your Phone/MP3 player/DC/TV/Echo Dot as input, 50W X 2(4 ohms, 20 Hz – 20 kHz, 0.04% THD) can drive 2Ohm – 8Ohm speakers;
  • Advanced circuitry design, built-in speakers protection circuit, solid aluminum chassis for long time use, small size, good looks, simple functionality, and excellent sound quality;
  • Home Hi-Fi integrated amplifier, Exclusively designed for the customers who pursue HiFi sound; Ship with power adapter and power cord, you can use directly;
  • Aluminum shell and Aluminum knob to sure high quality, comes a 19V power supply that can fit with the amplifier well

49. ACEIRMC 12pcs PAM8403 Module Super Mini Digital Amplifier Board 2 3W Class D Power Amplifier Board efficient 2.5 to 5V Input -Amplifiers

By ACEIRMC

  • The unique Class D digital powerless board with LC filter can be powered directly from the computer’s USB.
  • Excellent noise suppression, no audio input in the case of ear close to the speaker can not hear any noise.
  • Speaker With:4-8ohms recommended:4 ohms
  • Dual-channel stereo, 5V power supply can output 3W +3 W power, can be directly driven 4Ω, 8Ω small speakers, the output power, enough energy, good sound quality.
  • Operating voltage: 2.5V-5.5V

The Brands & Sellers

Before writing this post, I did huge research to find reputable brands and sellers who manufactured the best class d amplifier board. 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.

The Buyer’s Guide

Although the main goal of this post is to help you find the finest class d amplifier board 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 class d amplifier board 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 class d amplifier board 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 class d amplifier board 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 class d amplifier board 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 class d amplifier board 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 class d amplifier board to consider in 2021?

According to me, the best class d amplifier board to consider this year is the , because 83% of the people I interviewed, voted for it as the best option.

Which is the most expensive class d amplifier board and is it worth it?

The Fosi Audio DA2120C Bluetooth Amplifier 120W x2 Stereo Hi-Fi 2.1 Channel Wireless Stream aptX, 24Bit/192kHz Class D Compact Mini Power Amp Integrated USB DAC Coaxial Optical, Support Subwoofer & Remote 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 class d amplifier board and should you buy it?

The SongHe 5pcs PAM8403 23W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input is among the cheapest class d amplifier board 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 class d amplifier board 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 class d amplifier board?

Based on my experience, the average amount spent by the majority of the people is around 24. Also, based on my experience, 50 spend this much when purchasing a class d amplifier board.

The Verdict

The in-depth buyer’s guide has finally come to an end, I hope that I’ve helped you find the perfect class d amplifier board 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 class d amplifier board 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.