Bose Companion 20 Multimedia Speaker System

Featuring Bose's TrueSpace technology to reproduce wide, natural sound and deliver deep bass notes.
Maintain a balanced sound with a built-in active electronic equalization technology.
Control pod features a headphone input jack as well as a 3.5mm auxiliary input jack that allows you to connect an MP3 player, allowing you to adjust or mute the volume.
Connects to your computer's 3.5mm input jack and is AC-powered.
TrueSpace stereo digital processing creates a wide two-channel soundstage engineered specifically for listening at your computer.
Features rotational volume control, single-touch mute, headphone jack and connection for a second audio source.
Advanced port design and driver deliver powerful low-note performance and full, natural sound that fills the room.
Active electronic equalization balances low, mid and high frequencies for more natural tone and clarity.