Amplificatore digitale di potenza Bluetooth 5.0 2*20W scheda stereo AMP AUX modulo USB
20V→8Ω/20W+20W, 4Ω/more than 20W+20W. Quality, the output power is greater than 20W+20W to add heat sink. 16V→8Ω/15W+15W, 4Ω/more than 20W+20W. The Bluetooth chip is more sensitive to static electricity.