More on Amazon.com : http://www.amazon.com/gp/product/B00023NDLS?tag=purrfectcatdi-20 <br /> <br />Acoustic Research AW-871 Wireless Stereo Speakers <br /> <br />Pair of wireless stereo speakers with transmitter offers cable-free range of up to 300 feet <br />900 MHz signal broadcasts through walls ceilings and more <br />Use as rear channel speakers in 51 surround sound systems <br />Integrated powervolumetuning control leftmonoright switch <br />20 watts total RMS power 10 watts x 2 powered by AC adapter or 8 C batteries per speaker
