Bluetooth power amplifier

product information:
Impedance: 4-16 ohms
Channel: 2
Whether the stage: HiFi
Output power: 40w X2
Weight: 0.35KG
Power amplifier type: HIF power amplifier
Whether to support APP: No

Style: 

A stand-alone machine (need to provide its own power supply)  

B stand-alone +12V5A power supply