The Pyle PWMA370 is a Portable PA System that includes two wireless microphones, one handheld & one lavalier microphone, to broadcast your voice to a large audience. Thanks to its 8" full-range speaker and 300 watts peak power, the full-range loudspeaker has enormous power and incredible sonic performance in a relatively light package. And it's effortlessly portable, thanks to the telescoping handle and caster wheels. You can even mount the PWMA370 using the 35 mm speaker stand mount hole. Don't want to go wireless? Plug in up to two wired mics, a guitar and a digital music player like an iPod or iPhone using the four built-in 1/4" input jacks. Connect an external speaker using the 1/4" output jack. Add effects to your voice and tweak your sound with the echo, bass and treble controls. Perfect for classrooms, tour guides and business meetings. It runs on 110 or 220 V AC.