The Behringer Europower PMP4000 1600-Watt 16-Channel Powered Mixer packs tremendous power (2 x 800 Watts stereo or 1,600 Watts in Bridged mode), while maintaining an incredible power-to-weight ratio. These mixers employ high-efficiency Class-D technology and a state-of-the- art switch-mode power supply, which significantly reduces weight and heat. The 16-channel PMP4000 features 8 built-in, studio-grade Xenyx mic preamps, 4 stereo channels, a 24-bit Multi-FX processor with 100 awesome presets including studio-class reverbs, delays, pitch shifter and various multi-effects, plus a 7-band stereo graphic EQ with the proprietary FBQ Feedback Detection System - for the ultimate in feedback-free performance. The PMP4000 also comes equipped with the Voice Canceller technology, which eliminates the vocals from pre-recorded music for instant karaoke applications and the proprietary XPQ 3D stereo surround effect, which lets you create a much broader and enhanced stereo image. Class-D - Massive Power, Perfect Sound Thanks to the revolutionary Class-D amplifier technology, they are able to provide you with enormous power and incredible sonic performance in an easy-to-use, ultra-portable and lightweight package. Class-D amplification makes all the difference, offering the ultimate in energy efficiency - and eliminating the need for heavy power supplies and massive heat sinks. This amazing technology makes it possible to design and build extremely-powerf