FeaturesPowerwerks PW4EX is a 4 Channel MIC/LINE mixer with a MONO output. 4 individual Mic/Line InputsPhantom PowerRugged, Gig-ready DesignPOWERLINK IN/OUT for expanding your Powerwerks PA SystemCompact size, very light, only 2 lbsThe PW4EX Powerwerks 4 Channel Mixer is a mixer that features a high signal-to-noise ratio, reliable performance, and is equipped with a mono output. It can be used as a standalone mixer or as a system expansion to other mixers to give you more channels with volume along with bass and treble EQ controls. The XLR inputs offer 17V phantom power for compatible microphones. The main XLR or 1/4\" out can send a mix to a powered speaker or to the input of another mixer, allowing the PW4EX to be used as a sub mixer. The Powerlink port allows the blending of even more instruments, microphones, and program music with other Powerlink equipped models. An AC wall adapter is included.