Logitech Z-5500 Surround Sound Speakers - 5.1 Digital, 505-Watts RMS, 10" Subwoofer, THX-Certified, Wireless Remote

* Digital LCD: Clear, crisp high contrast display
* Input: Select audio source (optical, coax, or direct)
* Effect: Select digital surround sound effect
* Settings: Adjust parameters of digital surround sound effects
* Mute: Mute the entire system
* Level: Adjust volume, subwoofer, center, and fader levels
* Pro-audio style knob: Oversized, weighted control knob with digital precision
* System Power
* Auxiliary input jack: For convenient connection to portable audio devices (CD, MP3, MiniDisc®, etc.)