DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer Power Amplifier Board 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. Users can adjust the volume by themselves easily. It is powered by DC 12-24V, wide input voltage.

Features:

1. Adopts two high-quality TPA3116D2 digital amplifier chips.
2. Good sound quality, high efficient device and power amplifying feature.
3. 50W x 2 100W  2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat.
4. Powered by DC 12-24V, wide input voltage.
5. User can adjust the volume by themselves easily.
6. Applicable speaker impedance: 4-8 ohm.
7. Just connect the power supply and loudspeaker box, enjoy pure digital music!.