Lheng Digital Bluetooth Power Amplifier Amp Ampli Board, Dual Channel 120W+120W TPA3116D2 CSR 4.0 Audio Stereo Amplifier, Audio Receiver for Home Theater Speaker DIY DC 12-24V Powered

Specifications: Model: XH-M548 Chip Type: TPA3116D2 Bluetooth module: btm835/csr8635(4.0) Transmission distance:Max 10m Voltage:DC12-24V Current:?3A Output Power:120Wx2 Efficiency ratio:?90% Sound track: Dual track 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:?50uA Temperature range:-40? to +80? Wireledd Transmission Distance:10m Transmit Power: Support CLASS1/CLASS2/CLASS3 8dBm Max Sensitivity: -80dBm?0.1%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: 9.8x8cm/3.86x3.15inch Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!