Features: THX certified, Dolby Digital and DTS hardware decoding for pure 5.1 digital sound with dual wireless rear speakers - Dual wireless rear speakers for simple clutter-free installation. - Built-in hardware decoding for Dolby Digital & DTS - the only way to get true 5.1 digital sound from PlayStation2, Xbox(tm) and Frequency Response: 35 Hz - 20 kHz Package Contents: • Speakers: - 5 satellites - 1 center channel - 1 subwoofer • Wireless remote control Remote: Wireless Satellite RMS Power /ea: 2 x 38W front, 2 x 40.5W rear, 42W center Subwoofer RMS Power: 116 watts