Specification: Features:_x000D_1.Precise cuts and interfaces ensure perfect fit, fit for mounting position and easy to install._x000D_2.The product uses high quality materials, effectively avoid corrosion and wear out, and durable._x000D_3.Professional chip set provides superior performance in the system._x000D_4.Easy to operate, anti-aging, and extended service life._x000D_5.On-board dial potentiometer to adjust the volume output._x000D__x000D_Specifications:_x000D_Material: ABS_x000D_Color: As picture shown_x000D_Size: Approx. 5*4*2.5cm/2*1.6*0.98in_x000D_Onboard TDA7297 audio power amplifier chip, dual channel 15W+15W, suitable for 4-8 ohm 10-50W speakers;_x000D_The main pin of the chip has been taken out, convenient for external device control. The onboard 2 channel 5.08 (mm) pitch 2P binding posts are respectively connected to the left and right channel wiring;_x000D_On-board dial potentiometer to adjust the volume output;_x000D_The Power input mode is DC5.5*2.5 seat, working voltage is 6-18V._x000D__x000D_Package list:_x000D_1 x Module Features: 1Precise cuts and interfaces ensure perfect fit, fit for mounting position and easy to install. 2The product uses high quality materials, effectively avoid corrosion and wear out, and durable. 3Professional chip set provides superior performance in the system. 4Easy to operate, anti-aging, and extended service life. 5On-board dial potentiometer to adjust the volume output. PackageList: