HiLetgo TPA3116D2 50W x 2+100W 2.1 Channel Digital Audio Power Amplifier AMP Subwoofer

Features: Adopts two high quality TPA3116D2 digital amplifier chips. Sound quality is very good, high efficiency and amplifying power. 50W*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. 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: TPA3116*2 Channel Type: 3 Channels(Left Channel, Right Channel, Subwoofer) Output Power: 50W*2 + 100W*1 Subwoofer Output Match: 4-8 ohm Audio Output: Terminals Frequency Response Range: 14-100KHz SNR: 100dB Switching Frequency: 1.2MHz Package included: 1 * TPA3116D2 2.1 Channel Audio Amplifier Board