Logitech Z-5450 Digital 5.1 Speaker System (970181-0403) Eliminate the clutter of rear speaker wires! The speaker package includes dual wireless rear speakers for simple, clutter-free installation. Listen to crystal-clear, high-quality audio through rear speaker adaptive channel hopping with redundant transmissions. Experience earth-shaking bass. 310-watt RMS delivers thunderous power. Dual-chamber subwoofer plays louder and goes lower for unbelievable bass. The speakers include a hardware DTS decoder for master-quality sound and support for DTS 96/24 Enhanced, higher-resolution, studio-quality format available on many DVD video and DVD Audio discs. Use it on your desktop or in your entertainment center. Compact Digital SoundTouch, Control Center works wherever you put it. Features: digital LCD, volume level adjustment, auxiliary input jack, mute and effects settings.