Gold-A502 2x30W Bluetooth 5.0 Audio Stereo Digital Power Amplifier Board

Amplifier is Powered by DC 12-24 V, wide input voltage. And Adopts two Quality TPA3116D2 digital amplifier chips. Hence Sound quality is very good, high efficiency and amplifying power. Just connect the power supply and loudspeaker box, enjoy the pure digital music!User can adjust the volume by themselves easily.Applicable speaker impedance: 4-8 ohm. wide input voltage. Adopts two high-quality TPA3116D2 digital amplifier chips,Hence Sound quality is very good, high efficiency and amplifying power. User can adjust the volume by themselves easily.Applicable speaker impedance: 4-8 ohm.