XtremeMac IPD-TAN-00 Tango Audio System for iPod 2.1-channel iPod speaker dock packs a room with high-quality audio seemingly from five speakers Two mid-range, two tweeters and a downward-firing subwoofer 3.5mm audio/video line-in and out and S-video out Wireless remote with track, volume, bass and treble controls Compatibility: iPod nano (1G and 2G), iPod mini, 4G iPod with click wheel, iPod Color, iPod Video