Altec Lansing inMotion IM4

Altec Lansing inMotion IM4 ... portable, battery-operated stereo system lets you share the sounds at home, at the beach, on the go... where ever. A highly efficient Class D amplifier powers four full-range micro drivers to deliver a full spectrum of pure, distinct sound, while the revolutionary MaxxBass technology allows listeners to enjoy deep bass without lugging around a subwoofer. Place your small portable audio device on the rubberized base, plug in the retractable audio cable, and fire up your system. It' s great sound that everyone can enjoy.