Kicker iK501 Digital Stereo System for iPhone and iPod (Black) (Discontinued by Manufacturer) Supports most iPhone and iPod models with Universal Dock Connector Six-inch square reflex subwoofer, 5-inch woofers, and 3/4-inch tweeters for full-range sound with dynamic bass response Auxiliary input for external devices; RCA audio and composite video outputs for connecting to stereos/TVs/etc. Credit-card size remote allows easy control of the system and complete navigation through your iPod's menu Convenient carry handle maximizes portability