Pyle Powered PA Speaker System - Loudspeaker With 12 Inch Bass Subwoofer and built in USB for MP3 Amplifier - DJ Party Sound Equipment Stereo Amp Sub for Concert Audio or Band Music - Pyle PPHP127AI HIGH QUALITY SOUND REPRODUCTION: Pyle PPHP127AI pa system is equipped with a heavy duty self powered 12 inch subwoofer for ultimate bass. Packing a powerful 1200 watts this self powered speaker effectively reproduces the entire audio spectrum and will not get drowned out in even the largest venues. COMPATIBLE WITH ANY MEDIA: Easily connect all types of DJ party or band equipment to the RCA input line in. Or connect 30-pin Apple iPod, iPod Touch or iPhones to the dock for charging or playback. Play MP3 files from USB input. CHAIN LINK MULTIPLE SPEAKERS: Connect any number of active powered speakers using a standard XLR cable from one monitors line out port to the next loudspeakers line in to play mono or stereo music. XLR input makes it easy to connect a mixer or use the mic in port to add a microphone or instrument directly. GREAT FOR ANY VENUE: Small enough for travel and the handle makes transporting these professional stage speakers from home to the concert simple. Built in port allows you to setup the compact dj speakers on a standard mount rack. The high, mid and bass frequency knobs allow simple adjustment for locations like outdoor or in a church. BUILT TO LAST: Protected by an overcurrent circuit and reinforced engineered abs box construction this amplifier is built to last. Complete satisfaction guaranteed! We stand behind this product with a limited 1-Year manufacturer's warranty. Contact us If the item should show any defect within the first year we will help repair or exchange it for a new one.