CSR8645 APT-X Lossless Music Hifi 4.0 Receiver Board Amplifier Module for Audio Car Amplifier Speaker, No DC Isolated

This module is hosted by CSR BC8645 chip to provide high quality sound quality and compatibility, and overall performance is superior.
The Bluetooth module adopts the driver-less mode.Customer only needs to connect the module to the application product, and can quickly realize the wireless transmission of music and enjoy the fun of wireless music.
Supports high-quality sound APT-X digital transmission, and can connect two main Bluetooth devices at the same time. After the module is powered on, it automatically connect to the last paired mobile phone. The second-to-last paired mobile phone needs to be manually connected. If the 6 paired devices are turned on at the same time, the last paired phone is automatically connected.
First Type: No DC isolated power supply: suitable for lithium battery-powered, making Bluetooth-compatible headset.

Parameters:
With call function, CSR8645 low power consumption, power on the boot, the default volume of the largest
Using TI amp TPA6132, better sound quality
GND, BAT: Powered by a 3.7V lithium battery.
GND, VCC: DC 12V power supply
OUTL, AGND, OUTR: for the balanced output, can be directly connected headphones, amplifiers, audio and other input devices.
COM: is the common side of the button, the other end of the key are then VOL +, VOL-, PREV, NEXT, PLY
M +, M-: is the positive and negative of the microphone.
Amplifier board size: 2.9 x 2.9CM
Colour: Green
Material: PCB+plastic+metal

Package Contents:
1 x CSR8645 Bluetooth Audio Module

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.