DROK Power Amplifier Board, Dual Channel 2.0 Audio Amplifier Kit Class AB DC 12V Digital Stereo Amp Module TDA7377 Car Amplify Circuit for Speakers System DIY

* PARAMETER --- operating voltage DC 9V-18V, recommend DC 12V; max output power 2x35W (18V/4Ohm); can be connected 4~8 ohms speakers. * PROPERTY --- class AB, 2.0 dual channel. * INPUT METHOD --- 3.5mm audio cable input. * PROTECTION --- input reverse connection protection; short-circuit protection; over-current protection; over-temperature protection. * FEATURES --- volume adjustment knob; noble black immersion gold circuit board; KEMET speaker capacitor, large-capacity filter capacitor for channels; black copper terminal blocks; gold-plated audio input terminal blocks.