The amazing PMP500 Powered Mixer packs tremendous power (2 x 250 Watts, selectable as stereo or dual mono), while maintaining an incredible power-to-weight ratio. These mixers employ high-efficiency Class-D technology and a state-of-theart switch-mode power supply, which significantly reduces weight and heat.The 12-channel PMP500 features 6 high-quality mic preamps, Behringer's oeone-knob compressors, 4 stereo channels, plus 2 additional stereo inputs and 18' Aux Input for the maximum in versatility. There's also a KLARK TEKNIK 24-bit Multi-FX processor with 32 awesome presets, including studio-class reverbs, delays, pitch shifter and various multi-effects with dual-addressable parameters, Tap function and storable user parameter settings “ and a 7-band stereo graphic EQ with our proprietary FBQ Feedback Detection System “ for the ultimate in feedback-free performance.Class-D - Massive Power, Perfect SoundClass-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-powerful products that are significantly lighter in weight than their traditional counterparts, while using less energy and protecting the environmentAll-In-One SolutionThe powerful PMP500 gives you the choice of 2 x 250-Watt stereo (L/R), or 2 x 250-Watt dual mono (Main/Monitor) operation. Whether the center of attention happens to be a folk trio, a speech, or a synth-rock band with mind-boggling stereo patches, the PMP500 can accommodate with ease. This sonic versatility also makes it an excellent choice for churches, where vocals and stereo recordings often share face time.KLAR