Hercules i-XPS 250 Speaker System for iPod (Black) 2.1 speaker system for iPod Total output power: 25 Watts RMS Compatible with iPod Nano (1st, 2d, 3rd generation), iPod Mini, iPod (30GB, 60GB, 80GB), iPod Classic, and iPod Shuffle via line input (2) 3-Inch magnetically shielded broadband drivers, 4-Inch subwoofer. Built in Bass Amplifier! Wireless remote to control