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1 x 60 Watt Class D Audio Amplifier Board w DSP - JAB3-160[725]

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2 x 30 Watt Class D Audio Amplifier Board w Bluetooth Ver4.0 -JAB2




This board is a high performance 1 x 60W audio amplifier board with ADAU1701 DSP integrated, which can be used with WONDOM JAB2 to build audio 2.1 system with both DSP and Bluetooth. This JAB3-160 is suitable for boomcase, DIY, digital crossover and other applications. With WONDOM ICP series, it can be programmed via SigmaStuido. Customers can control the audio system through the four potentiometers on the JAB3-160 or through WONDOM APP - Miumax. It supports WONDOM battery board, greatly improving the flexibility.

Miumax V2.0 has been released. Following are the download address.

For Android: video link

For iOS: Please go to APP Store and search 'Miumax' directly.

Video for how to achieve I2S input and output of JAB3: video link

Video for introduction of JAB3: video link

Video for connection with JAB2: video link

Video for reprogram through SigmaStudio: video link

Video for APP control instruction: video link

How to use Sigma DSP to make a signal generator within less than 3 minutes: video link

  • StyleBoards
  • Number Of Channel(s)1
  • Output Power60
  • Size3.6 x 2.7 inches (91.44mm x 68.58mm)
  • ChipsetTPA31xx
  • Heat DissipationNo Heat Sink & FAN
  • Supported Parallel Bridge Tied Load ModeNO
  • inputSingle ended Line-in,
  • Power Voltage12V-26V
  • 3.6x 2.7 Inches PCB Size
  • Battery Board Supported
  • Power Management Circuit
  • DSP Integrated
  • Gain of Speaker Output Adjustable
  • Band-pass Filter of Speaker Output Adjustable
  • High-pass Filter of 3.5mm
  • Headphone Output Adjustable
  • Volume of Speaker & 3.5mm
  • Headphone Output Adjustable
  • Signal Level Sensor System
  • External 3.5mm AUX IN Port
  • Power Switch Port
  • 3.5mm Headphone Output
  • Compatible with JAB2
Specifications are typical @ +25℃ , powered by 24V DC. Specifications subject to change without notice.
Parameter Conditions Min. Typ. Max. Units
Number of Channels - - 1 - -
Minimum Load Impedance - 3.2 4 - Ω
Efficiency 60W@4Ohm - 84 - %
Nominal Power Requirement @24V, 200Hz - 80 - W
Operating Voltage @200Hz, 4Ohm 12 24 26 V
Idle Power Signal detected - 2 - W
No Signal detected - 80 - mW
Switching Frequency SD Floating@24V - 400 - kHz
Power Consumption 1/4 of max output power@4Ohm, 24V, 200Hz - 20 - W
1/8 of max output power@4Ohm, 24V, 200Hz - 10 - W
 Control Standby (Low = inputs enabled) High-level Input Voltage 3.3 - - V
Low-level Input Voltage - - 0.8 V
Mute (High = outputs enabled) High-level Output Voltage 3.3 - - V
Low-level Output Voltage - - 0.8 V
Standby Power SD short to GND, only when low power module available - 150 - mW
Under Voltage Protection - 10.0 10.4 10.8 V
Specifications typical @ +25℃ , powered by 24V DC. Specifications subject to change without notice.
Parameter Conditions Min. Typ. Max. Units
Amp Gain @4Ohm, 200Hz - 26 - dB
DSP Gain SE1 (Single Amp) @4Ohm, 200Hz -60 - 10 dB
SE2 (Headphone) @4Ohm,200Hz -60 - 2 dB
Input Sensitivity 60W@4Ohm, 200Hz, 26dB - 770 - mV
Filter Gain Butterworth, Q= 0.707 - 4 - dB
Cutoff Frequency   HFP 60 - 120 Hz
LFP 200 - 400 Hz
SNR 60W@4Ohm, THD+N=1%, 26Db, A-weighting   88   dB
THD+N 1W@4Ohm, 200Hz, 26dB   0.03   %
10W@4Ohm, 200Hz, 26dB   0.05   %
Input Impedance -   10  
Supported Sampling Rates - - 48 - kHz
Output Noise Level A-weighting, Input Connected to GND, 26dB   240   uV
DC Offset -   20   mV
Max output Level J3, 3.5mm Headphone Output Connector   4.5   dBu







04 Aug 2020

Hello , the JAB3-160[725] board powred with BCPB2 , has enough power to handle a speaker with 80w rms at 4ohm ,sensibility 92 db ?Thanks

Hi, Simone. Thank you for your interest in our products. When fully charged, the output voltage of BCPB2 can reach 12.6V, in which condition, the output power of JAB3 – 160 would be around 20W@4Ohm. Wish this could help you.


01 Aug 2020

Hello , Iwas wondering if JAB3-160[725] is able to pilot properly a speaker with 80w rms 4ohm sensibility 92 db when connected to 2,83V sine wave test sign Thanks

Hi, Simone. Thank you for your interest in our products. The input sensitivity of JAB3 - 160 is 770mV, that means the amplifier will reach the maximum output power when inputting 770mV signal @ 24V, 4Ohm. 2.873V is too high to input to JAB3 - 160, which would need attenuation to an appropriate value. Wish this could help you.

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