Fosi Audio TB21 Bluetooth 5.0 Amplifier Board 2.1 Channel Mini Wireless Stereo Audio Digital Amp Module 50W x2 100W Subwoofer

Highlight: Model: TB21  Input Mode: Bluetooth or AUX Work Voltage: DC 12V-24V(Above 2A) Channel: 2.1 CH Stereo Output Bluetooth version: Bluetooth 5.0 Bluetooth transmission distance: 50 Ft MAX Power Output: 50W x 2 +100W Terminating Impedance: 4 Ohm-8 Ohm Match Speaker: 30watt-200wat DC socket: 5.5*2.1mm