Bluetooth 5.0 Amplifier Board 2 Channels 50W x 2 Mini Receiver Wireless Stereo Audio Digital Amp Module for Home Passive Speakers

2 CH stereo output power 50 watts x2, working voltage range, for 4-8Ω, 50watt-200watt passive speakers., This Bluetooth amplifier board has a bottom plate and a top plate. The guard plate is also an indicator, easy to set up., Advanced circuitry design, supports reverse connection protection, Over-voltage protection, under-voltage protection, Over-heat protection, and Short-circuit protection., It is recommended to use a power adapter with a current above 2A. Please use a power adapter with sufficient power to connect the amplifier board, otherwise, the sound will be distorted., 5.0 Bluetooth version, the transmission efficiency is higher, the transmission distance is farther.