This is a brand new Pyle Pro PCAU11, mini power amplifier, which retails for $124.99 plus tax. Your new Pyle Pro stereo power amplifier gives you the power and versatility you need in a professional sound system. This multi-purpose amp can be used to provide 30 watts of power (15W x 2) to speakers in any home, in-wall or in-ceiling speakers or any commercial application. Its wide frequency response makes it suitable for amplifying music or vocal program material. The front panel USB 2.0 interface allows you to easily connect any of your favorite USB devices. A rear RCA line input makes it simple to hook up your AM/FM tuner, CD/DVD player, MP3 player, or iPod (3.5mm to RCA adapter may be needed). The advantage of incorporating this compact amp into your audio system is that it can be stationed virtually anywhere, whether placed on top of a computer tower or out of sight in a bookshelf, cabinet or ceiling panel. Complete with a full warranty and our exclusive 30 day money back guarantee.