Description: Main pin has led chips, convenient external device control. Onboard dial potentiometer, can adjust the volume of output size. Onboard 2 road, 5.08 (mm) distance between 2 p terminal, around a track connection output respectively. Onboard TDA7297 audio power amplifier chip, double channel 15W+15W, speaker for European 4-8 10-50W use. Support for DC, terminals, pin 3 power supply input mode, the default for the DC, working voltage: 6V to 18V. Specification: Material: metal size: 45*32*25mm/1.77*1.30*0.98inch Package Includes: 1 Piece TDA7297 Power Amplifier Module
