Speakal MISOCCER-MLS-BLK01 2.1 Stereo Speakers and Docking Station for iPod with 5 Speakers (Black/White) Compatibility: iPod mini; iPod nano 1G, 2G, 3G, 4G, 5G; iPod classic 4G, 5G, 5.5G, 6G; iPod touch 1G, 2G, 3G, 4G; iPhone, 3G, 3GS, 4 2.1-channel stereo with 2 x 4 watt speakers and a 15-watt subwoofer Touch-sensitive controls for adjusting volume and controlling your iPod 3.5-mm auxiliary input for use with external devices 5 speakers & 15W Dedicated Down Firing Sub, Bass Reflex, Sound Stabilization technology for best sound quality