The Cerwin Vega IOEMHL is a 2 channel output converter line driver designed for car audio systems. It allows for the integration of aftermarket amplifiers into factory sound systems. The converter is proudly designed and engineered in the USA and features a sleek black design. It is a level converter that can be used to convert speaker level signals to RCA level signals. The product comes with a warning that it contains chemicals known to the State of California to cause cancer and reproductive harm.