TDA7377 Digital Amplifier Audio Board 2X30W Stereo Class AB Amplificator for 4-8 Ohm Speaker DC9-18V

2*30W Class AB car AmplifierSupply voltage: DC9-18V, recommended 12VOutput power: 4-8 ohm speakers Maximum 2x35W stereo (18V4 ohms)Input : 3.5mm audio input \/ 3P expansion input portProtection: power input reverse protection, short circuit, over current, overheatColor: blackMaterial: plasticPCB size: 58.67x55.12mm Potentiometer knob opening: 7mm Overall (including heat sink): (length x width x height) 90.56 x 55.12mm x 26.65mmAcrylic is DIY kits, needs to assemble it by yourselfPackage Contents:1x TDA7377 power amplifier board1x Acrylic Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.