LUXUS AUDIO - AMB3050BR

AMB3050BR board is a Class D amplifier with chip TPA3116D2 and Bluetooth  5.0 APT-X module integrated and with TWS function.

One of the most important feature is that there is on board a powerful DSP ADAU1701.
Board can setup its 3 channels with many different DSP configurations suche like 2.1 channels with crossover for subwoofer for mono channel or a 3 ways mono system with crossover between 2 channles for woofer e tweeter and for subwoofer in order to create a 3 ways sistems  for a multi-amplifier.
It is possible to set many other configurations depending of user needs.

Amplifier output power is 50W for 2 channels and 100W for 1 channel and board can be powered with a 24V Voltage. Voltage range is from  minimum of 10V until 24V. Amplifier can power speakers with nominal impedance from 4 to 8 ohm.

External Buttons port:

There are 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

Aux in enable port:

The default DSP program are mix the RCA/Bluetooth audio and output to the amplifier chips. If you want select the RCA/Bluetooth manually by a switch. You can connect an external switch to this port and load a different DSP program.

POT port:

User can connect an external 10K potentiometer to control the audio volume.

DSP programming port:

User can load a new DSP program by using the USBi JTAG Sigma DSP programmer

The onboard default DSP program will mix the RCA&Bluetooth audio and output to the speakers. User can also change the DSP program to let the audio source selectable by an external switch.

2 boards work in TWS mode. You can also build a wireless subwoofer system.

Buttons

• 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 30V DC, unless otherwise noted. Specifications subject to change without notice.

Features:

• Size: 13.5cm x 9.2cm x 3.4cm
• aptX, aptX Low Latency, SBC and AAC
• Bluetooth 5.0
• I2S Sampling Rate: 48KHz
• 1 channels
• Working voltage: DC12V-24V
• Over/under voltage protection
• Over current protection
• Over temperature protection

Applications:

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