Pyle Amplifier Part, 12" inches (PPHP122BMU) HIGH QUALITY SOUND: PA system is equipped with a self powered 12 inch subwoofer for ultimate bass. Packing a powerful 800 watts this self powered speaker 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. Works with all of your favorite bluetooth-enabled devices Apple iPod, iPod Touch or iPhones & play mp3 files from usb input. Caster wheels present for transport. 35 mm speaker stand insert. Battery life up to 3 hours, non-stop play CHAIN LINK MULTIPLE SPEAKERS: Connect any number of active powered speakers using a cable from one monitors line out port to the next loudspeakers line into play mono or stereo music. XLR input makes it easy to connect a mixer and instrument directly. GREAT FOR ANY VENUE: Handle makes transporting professional stage speakers from home to the concert simple. Built in port allows you to setup the compact dj speakers on a mount. The knobs allow simple adjustment for locations like outdoor or in a church. BUILT TO LAST: Protected by a circuit and engineered abs box construction this amplifier is built to last. We stand behind this product with a limited 1-Year manufacturer's warranty. Contact us If the item should show any defect well help you fix it. NOTE: KINDLY REFER USER MANAUL PROVIDED