Available at Buy.com, Chestnut Hill Sound CHS40001 Speaker System for iPod features 45 Watts total power (20W RMS), 60Hz-20Khz frequency response. 1% total harmonic distortion. 80db signal to noise ratio. 3" speaker driver, 1" domed tweater, 4" downfiring subwoofer. 2.4 Ghz RF remote with 240 x 128 pixel monochrome display.