2 x 50W + 100W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7492B(Apt-X)

2 x 50W + 100W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7492B(Apt-X)
2 x 50W + 100W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7492B(Apt-X) 2 x 50W + 100W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7492B(Apt-X) 2 x 50W + 100W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7492B(Apt-X)
Brand: Tinysine
Product Code: G5DD4DAF10D816
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Availability: 520
Price: $46.95

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TSA7492B 2x50W + 100W 2.1 channels audio amplifier board with AudioB pro Bluetooth module that supports Apt-X. It has perfect class-D architecture(Based on TDA7492 and TDA7498) and 2 channels have 50W power output and another one channel has 100W power output. All the channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC12V-26V power supply. It can be used to drive any 4Ω or 8Ω passive speakers. TSA7492B can also be connected with our TSA1000,TSA1010 or TSA1020 external audio volume control board. People can adjust the audio volume by rotating the real knob.

It's a 2.1 channels amplifier board. That channel for subwoofer are 100W mono output. You can pair it with a mobile phone or a computer (etc). Power the amplifier board. Use your phone or PC (etc) to search for a new Bluetooth device. The module will appear as "TSA7492B". You don't need a PIN, pair it and then you can play music.

The highlight point is Apt-X and TWS supported. Therefore, Users can stream audio to 2 pair amplifier boards at the same time wirelessly.

  • TSA7492B can auto detect the Aux in/Line in Audio input. Bluetooth Audio source has higher priority. When Bluetooth audio is paused or bluetooth is disconnected. The amplifier will output the Aux in/Line in audio.
  • There have an audio connnector can connect with an exteral DSP to set the subwoofer audio tones.
  • BVC Port: BVC port can be connected with our Audio volume controller to control the Bluetooth audio volume.

 

Subwoofer tones set port:

Connect an external potentiometer control the subwoofer volume separately

Buttons control port:

There have 3 buttons on the board which can control the audio volume and play/pause ect... You can connect external buttons easily by using this buttons control port.

Pins define:(Check the board backside silkscreen):

P/P: Play pause button

VOL+: volume increase and forward button

VOL-: volume decrease and rewind button

1.8V

 

TSA7492B can auto detect the Aux in/Line in Audio input. Bluetooth Audio source has higher priority. When Bluetooth audio is paused or bluetooth is disconnected. The Amplifier will output the Aux in/Line in audio.

 

TSA7492B + TSA1000, Both Aux in and Bluetooth audio volume can be controlled through BVC port

 

2 boards work in TWS mode

*User must remove the slave board Aux in Enable jumper before pairing 2 boards

  • S1 - Long press 3s into pairing mode. Long press 6s clear the pairing info.
  • S1+S2 - Long press 1s into TWS slave mode.
  • S1+S3 - Long press 1s into TWS master mode.
  • S2+S3 - Long press 1s disconnect TWS connection.

Specification:

Specifications typical @ +25℃, Powered by 25V DC, unless otherwise noted. Specifications subject to change without notice.

Parameter Condition Min Typ Max

Supply Voltage (VDC)

- 12 25 26
Power output per channel RL= 8Ω, 10% THD+N     40W
RL= 6Ω, 10% THD+N     50W
RL= 8Ω, 1% THD+N     32W
RL= 6Ω, 1% THD+N     40W
100W channel: RL= 6Ω, 10% THD+N     100W
THD+N 1W   0.1%  
 Frequency Response (dB) ±3dB 20 - 22K
Operating Temperature (℃) - 0 20 50

Minimum Load Impedance

 

Gain 50W channel 21.6dB 27.6dB 33.6dB
100W channel 25.6dB 31.6dB 37.6dB
Efficiency

All channels output rating power.

  90%  

Input Impedance (Kohm)

- 48 60 -

 

Features:

  • Size: 14.4cm x 7.8cm x 3.4cm
  • aptX, aptX Low Latency, SBC and AAC
  • Bluetooth 4.2
  • Bluetooth audio volume control port(BVC)
  • Aux in/LIne in auto detect
  • 2.1 channels
  • Working voltage: DC12V-26V
  • Over/under voltage protection
  • Over current protection
  • Over temperature protection

 

Applications:

  • Personal computer
  • Background music system
  • Musical instrument amplifiers
  • Home DIY
  • Car audio

Documents:

 

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