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Mid Power(30-300W per channel)

2 x 30 Watt Digital Input Class D Audio Amplifier Board & DAC - TAS5754[747]

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SKUAA-AB32256

29.90

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Description

This stereo mid-power digital audio amplifier board is capable of delivering 30W output power per channel into a 4Ohm load based on Class D topology and Texas Instruments TAS5754 chip, featuring high efficiency up to 90% and high sound quality with low distortion and low noise level. AA-AB32256 supports 3-wire I2S input, suitable for connecting with Raspberry Pi in DIY applications. Compact size, easy installation and mid power output makes this audio amplifier board suitable for home audio, car audio and demanding industrial applications. Besides amplifier board, AA-AB32256 can work as a high performance DAC. A DC10V – 24V power supply is required.

Digital Input and High Quality Audio Performance

By means of dedicated PCB layout design and engineers’ attentive debugging, this mid-power audio amplifier board features such high audio performance that you can get pure enjoy of the music, whose SNR reaches 102dB and THD+N performs well as 0.005% @ 4Ohm, 1W, 1kHz. This amplifier board supports I2S digital input and supports high resolution playback up to 192kHz/24bit so customers can enjoy music same as originally recorded.



High Performance DAC

In addition to speaker output, AA-AB32256 provides analog output without amplification, which means you can use this board as a high performance DAC. One board, multiple applications, which is highly cost-effective.

Supporting Power Battery

This audio amplifier can be powered by batteries, greatly improving the portability of the audio system. Thanks to the low power consumption, it features long playback time with WONDOM battery board (BCPB Series). It is suggested to use BCPB3 / BCPB4 to power this digital audio amplifier.

External Volume control

This mid-power amplifier board supports external volume control rotary potentiometer board (AA-AB41152). You can adjust volume through the potentiometer board. Please note that specialized program is needed to be burned for use with TAS5754 / TAS5756. Therefore, the potentiometers in WONDOM VC series can not be used with this audio amplifier board.

High Reliability and Long Service Time

Excellent heat dissipation eliminates the requirement of an extra heatsink and increases its reliability. Full protection circuit, like over temperature protection, overcurrent protection, over / under voltage protection, is equipped on this board for high reliability and long service time.

Easy for Installation

Four screw holes provided make this amplifier board easy for installation and quick for integration in any cabinet. Thanks to the pre-mounted industrial terminal interfaces, all you need to do is to plug in cables for connection, without any demand of soldering, which is swift and convenient. This board is in 3.6’’ x 2.7’’ compact size, which can be easily integrated into any audio projects without occupation of too much space.



Package Includes

1pc AA-AB32256



  • StyleBoards
  • Number Of Channel(s)2
  • Output Power30
  • Size3.6 x 2.7 inches (91.44mm x 68.58mm)
  • ChipsetOthers
  • Heat DissipationNo Heat Sink & FAN
  • Supported Parallel Bridge Tied Load ModeNO
  • inputI2S,
  • Power Voltage10V-24V
  • Output Power
  • 30W@ 4Ohm 19V DC THD+N 10%
  • High Performance DAC
  • I2S Input Supported
  • 3-Wire Digital Input
  • (No MCLK Required)
  • 44.1kHz-48kHz Sample Rate
  • 16Bit/24Bit Resolution
  • Net Weight: 58g/ 0.13 lbs (±10%)
  • Size: 3.6 x 2.7 x 0.72 inches
SpecifiSpecifications typical @+25℃, powered by 24V DC, unless otherwise noted. Specifications subject to change without notice.
Parameter(s)ConditionsMin.Typ. Max.Unit (s)
Power SupplyJ2/J4 (Power Adapter/Power Supply)101924VDC
J3 (Battery, powered by WONDOM BCPB Series)14-21VDC
Idle PowerSD Floating0.710.750.81W
Maximum Current30W @ 4Ohm-3-A
Efficiency30W @ 4Ohm (Only the amplifier)-90-%
Minimum Load Impedance--4-Ω
Switching FrequencySD Floating, 8 x Fs, LRCK = 48kHz-384-kHz
SpecifiSpecifications typical @+25℃, powered by 24V DC, unless otherwise noted. Specifications subject to change without notice.
Parameter(s)ConditionsMin.Typ.Max.Unit(s)
GainCan be adjusted to -100dB with WONDOM Volume Control Board- 28-dB
Output Power@4Ω THD+N 10%- 30-W
Bandwidth @ ±3dB@4Ω20-20k   Hz
THD@4Ω, 1W, 1kHz-0.05-%
Output Noise LevelA-weighting       - 80-µV
SNRTHD+N <1%, A-weighting-102-dB

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