Sell 2.1 Channel Digital Subwoofer Power Amplifier Board TPA3116D2 2x 50W +100W best price

​Features: Adopts two high quality TPA3116D2 digital amplifier chips. Sound quality is very good, high efficiency and amplifying power. 50Wx2+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. Just connect the power supply and loudspeaker box, enjoy the pure digital music! Notice: This amplifier board must be powered by DC power(DC12-24V), it's better to use high-performance switch power. Don't use transformer! Specifications: Supply Voltage: DC 12-24V Chip: TPA3116D2 x 2 Channel Type: 3 Channels(Left Channel, Right Channel, Subwoofer) Output Power: 50W x 2 + 100W x 1 Subwoofer Output Match: 4-8 ohm Audio Output: Terminals Frequency Response Range: 14-100KHz SNR: 100dB Switching Frequency: 1.2MHz PCB Board Size: 10.0 x 7.0 x 3.0cm / 3.94 x 2.75 x 1.18in (L x W x H). Package Included: 1 x 2.1 Channel Audio Amplifier Board NO Retail Box. Packed Safely in Bubble Bag. #2.1#Channel#Digital#Subwoofer#Power#Amplifier#Board#TPA3116D2#2x#50W#+100W