Griffin Technology Amplifi Home Music Speaker System for iPod (Black) Acoustically tuned enclosure with sturdy wood-based construction 2 front-firing 2 3/4" neodymium drivers and 5" down-firing woofer 3.5mm stereo input jack supports all players Charges iPod while connected Compatible with iPod 3G, 4G, 5G, nano 1G, 2G, 3G, iPod classic and touch