High to low adapter included. Underseat shallow sealed powered enclosure. Class-AB mono block amplifier. Active X-over : variable 50150Hz. High and low level inputs. Auto switch on with high-level inputs. Input sensitivity : 0,1V4V. Phase switch : 0° or 180°. The best and most simple way to add good bass in your system. Reduced size and thickness for underseat installations. Powerful Class-AB amplifier for a realistic bass reproduction. EBC remote control included. You can play with it from the front.. High and Low level inputs. Automatic remote when used with high level inputs. Phase setting : 0° or 180°.