• Ultimate reliability through revolutionary cool-running High-Density Class-D technology with 'near-zero' thermal buildup • Ultra-efficient switch-mode power supply for noise-free audio, superior transient response and low power consumption, 1000 w • Built-in stereo crossover with low-cut, high-cut and full range mode • Smart Sense Loudspeaker impedance compensation features fully linear frequency response at any speaker load impedance • Zero-Attack' limiters offer maximum output level with reliable overload protection