Buy.com has the Cables Unlimited Audio Unlimiled 900MHz Wireless Outdoor Rock Speaker System for $75 - $20 rebate [Exp 2/15] = $55 with free shipping. Compact & portable with a stylized design (13H x 10W) - 5.25 PP cone w/rubber edge Woofer2 Mylar cone Tweeter20 Watt RMS Output15V DC Transformer. Phase Loop Lock circuitry automatically locks in and keeps audio signal clear and strong. 2 channel selection for you to achieve the best possible performance