TPA3116 2.1 DC 12V-24V 50W+50W+100W HIFI Digital Audio Amplifier Board

Description: 1. The power supply can be accessed from a DC outlet or a terminal block. 2. Audio can be from 3.5mm socket, or 3P socket audio input interface, such as: computer, MP3 player, etc. 3. Bass volume potentiometer, which can independently adjust the bass output volume. 4. Left and right channel volume potentiometer, can adjust the left and right channel output volume at the same time. 5. Treble adjustment potentiometer, adjustable left and right channel treble gain output. 6. Switch / total volume potentiometer, with switch can turn off the amplifier / can also adjust the bass and left and right channel output volume. 7. Total potentiometer with default switch Note: The 3P input jack "Lin" -- is the source left channel input, and the "G" -- is the source common ground "Rin" -- is the source right channel input. Parameters: Audio input sensitivity: 600-800mV Frequency response range: 20Hz-20KHz Speaker impedance: left and right channels: 4-8 ohms, bass channel: 2-8 ohms Dimensions: 101 (W) x 100 (D) x (H)