3pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double Channel

Features Working Voltage 6 18V DC The onboard TDA7297 audio power amplifier chip double channel 15WX15W Speaker for European 4 8 10 50W use Main pin has led chip convenient external control device the onboard 5 08 mm distance between two p terminal 2 road around a track connection output respectively The onboard dial potentiometer output size can adjust the volume Support DC terminal blocks row needles 3 power input mode the default Package Included 3 x 10 50W Audio Power Amplifier DC 6 18V TDA7297 Module