Luxus Audio - AMB4100BYJ

Description

AMB4100BYJ is a 4x100W Stereo Bluetooth 5 multipoint audio amplifier board. It has perfect class-D architecture(Based on TDA7498E) and each channel has maximum 100W power output. Both of channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC14V-39V power supply. it can be used to drive any 4Ω or 8Ω passive speakers.

The highlight point is BT 5 integrated. You can have many AMB4100BYJ boards paired and work together. AMB4100BYJ can remember the pairing info. You don't need pair them each time after you turn the amplifier board on. This makes it possible to build a wireless surround sound system by using the AMB4100BYJ.

If you only use one AMB4100BYJ. It can works like a common Bluetooth amplifier board. Power the amplifier board. Double click PAIR button to set the board into Pairing mode. Use your phone or PC (etc) to search for a new Bluetooth device. The module will appears as "AMB4100BYJ". You don't need a PIN, pair it and then you can play music.

How to use

Master board

1. Power up the AMB4100BYJ, Blue LED slow blink. (Voice: Power ON)
2. Double click PAIR button to set the AMB4100BYJ into Pairing mode. Blue LED fast blink. (Voice: Pairing)
3. Now, Your smartphone will be able to find a new Bluetooth device which name is "AMB4100BYJ". Connect it. (Voice: Pairing successful)
4. You can play the music now. If you only use one amplifier board. You don't need do the following steps.
5. Click TX button, Set the module to transmitter mode, Red LED ON.(Voice: Broadcast mode)

Slave board

1. Power up another AMB4100BYJ. Blue LED slow blink.
2. Make sure master board already working correct and in transmitter mode. Click RX button to set slave board into receiver mode. It will auto searching the master board. Green LED ON (Voice: Broadcast audio enabled)
3. Double click the RX button on the Slave board, double click the TX button on the Master board. The master board will auto searching(30s) slave board. Both master and slave board will be connected. (Voice: Pairing successful)
4. The slave board will have music out now.
5. If there have new board want join as slave board. Just click RX on new board into receiver mode then Double click RX, and Double click TX on Master module.
6. If a slave board want quit. Click TX button on that module.

Note: If you don't hear the voice prompt when click TX . Please click the RX to switching the mode and then click TX again.

Output bridge enable settings:

AMB4100BYJ is designed based on TDA7498E which means it can be used in stereo mode or mono BTL mode. You can set jumper closed to enable output bridge, then connect SPK1+ and SPK2+ together, connect SPK1- and SPK2- together, or connect SPK3+ and SPK4+ together, connect SPK3- and SPK4- together, the output becomes 200W.

Bridge the output

Specification

Specifications typical @ +25℃, Powered by 36VDC, unless otherwise noted. Specifications subject to change without notice.

Feautures

• Size: 143*110*20mm
• Multipoint connection
• Output bridge enable
• Bluetooth 5.1
• Up to 100 boards can be linked together.
• Qualcomm cVc audio technology
• Qualcomm TrueWireless Technology
• Stereo receive
• Effective transmission distance: 10-15m
• Compatible with all Bluetooth devices that support media audio, including iPhone