Using CSR8635 Bluetooth chip,Bluetooth V4.0,high software compatibility.

Product Parameters:
Model:XH-M548
Chip Type:TPA3116D2
Bluetooth module:btm835/csr8635(4.0)
Transmission distance:Max 10m
Voltage:DC12-24V
Current:ˇ3A
Output Power:125Wx2
Efficiency ratio:ˇ90%
Sound track:Dual track
Size:98*79*16mm

Bluetooth module Parameters:
Specification:Bluetooth V4.0
Modulation Mode:GFSK /4 DQPSK,8DPSK
Voltage:3.3-4.2V
Suppotr Bluetooth Protocol:HFP V1.6,HSP V1.2,A2DP V1.2,AVRCP V1.4,DI V1.3
Work Current:≒30mA
Standby Current:ˉ50uA
Temperature range:-40⊥ to +80⊥
Wireledd Transmission Distance:10m
Transmit Power:Support CLASS1/CLASS2/CLASS3 8dBm Max
Sensitivity:-80dBmˉ0.1%BER
Frequency Range:2.4GHz-2.480GHz
External Interface:PIO,SPI,Audio in/out and PCM,USB
Audio Support:AAC,MPA,SBC,Stereo
Distortion Factor:≒0.1%
Module Size:21.9*14.1*1.8mm

Package included:
1 x Bluetooth 4.0 Audio Receiver Digital Amplifier Board

SPEAKER TERMINAL BACK PLATE