New DIY Bluetooth 4.0 Stereo Audio Receiver Speaker Amplifier Board Module_b


Bluetooth Standard: V4.0+EDR
Transmission power: CLASS2
Transmission distance: more than 15m (open area)
Power Supply Voltage: 3.6 ~ 30V
Frequency range: 80Hz-22KHz
SNR: > 80 dB
Output Power:> 600mV (-4dBM) x2CH
Stereo Separation:> 50dB
Channel balance: <2dB
Main PCB board size: 50 * 41.5 * 1.2mm
Key board PCB board size: 66 * 12 * 1.2mm
Finished boards: maximum height 12mm
Bluetooth Protocol: HFP v1.5, A2DP(1.1), AVCRP 1.3
Hands-free Protocol: 1.6
It can NOT be connect to speaker directly, should be used together with amplifier.

Package include:
1 x Bluetooth Audio Module
2 x Power Cord
1 x Control Key
1 x Mic