Description: Line level converter / High-Low converter allows the user to run an RCA cable to an amplifier with a radio that only has speaker wire outputs. Ideal for any standard head unit that dose not have RCA built in. Each converter does 2 channels (2 speakers) Converts speaker level audio to line level (RCA) output (can not be reversed) Adjustable output level to allow input to suit various amplifiers Also eliminates signal noise Maximum input from speaker level: 100 Watts Specification: Material: Plastic + Metal Size(L*W*H): Approx. 90*45*20mm/3.5*1.8*0.8 Inch Package Includes: 1 Piece Speaker to RCA Line Level Converter