AudioControl A1500.1 Altitude 1500W Monoblock Amplifier Car Audio: Includes both speaker level (high level up to 20V max) and line level (low level up to 6V max) inputs for use with your factory or aftermarket car sound system no need for line output converters. (): Engineered for modern vehicles with improved reliability even during engine restarts, ensuring an uninterrupted listening experience. Meets all EV standards for safe and efficient operation, setting it apart from other multi channel car amplifiers. :