Bluetooth Stereo Amp specs:
Bluetooth version 5.0
Bluetooth Connection Distance: 15 metres (visible)
Voltage 12 volt
Output power 20W + 20W
Output load 4 - 8 Ohm (4 Ohm recommended)
Frequency response range 14-100KHz
Signal -to-noise ratio: 100db
Thermal protection
Short Circuit protection
Reverse Polarity protection