Auto Speaker Amplifier Bass RCA Level Remote Volume Control Knob Regulator new and high quality OOTDTY Material: Plastic Color: Black Color: Black Specification: Model: LC-1 2*RCA Output 2*RCA Input Total Length: 27.5cmApprox The distance between the mounting holes: 4.4cm(Approx) Fitment: Suitable for most of the car. Features: 4 gold plated RCA's Mount in or under the Mount Amplifier Level Control for Volume Adjustment Can Adjust the Amplifier While Driving Perfect for Balancing the System to Change Music Styles Simple in and out no additional wiring needed Made from high quality materials and metal for optimal transfer Comes with Mounting Bracket Quantity:1 set Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! _x000D_ _x000D_ _x000D_