The Zenith amplifier range from W Audio has been designed and engineered to work in any demanding installation or touring environment with military endurance. Oversized multi-speed fans and large heat sinks will keep the output stage cool even under the most extreme conditions. Service and maintenance is easy as the internal architecture is laid out for easy access by qualified technicians. Made with a heavy gauge welded steel chassis with vibration proof fittings and an emphasis on over engineering guarantees years of trouble free service in demanding environments. Many amplifiers distort with both channels loaded and driven before they hit full output power. Even some expensive brand name amplifiers will do this when presented with multiple drivers at low impedance (inductive load). The dirty signal makes it sound loud, but it will reduce speaker life. The Zenith amplifiers are designed to handle low impedance and inductive loads and when driven to excessive levels will soft clip. The switchable limiter system is controlled by a high speed VCA chip that will limit both PEAK and RMS power to prevent clipping of the output stages.