DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer

Adopts two high-quality TPA3116D2 digital amplifier chips. Sound quality is very good, high efficiency and amplifying power. 50W x 2+100W  2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat. Powered by DC 12-24V, wide input voltage. User can adjust the volume by themselves easily. Applicable speaker impedance: 4-8 ohm.