5.1 channel surround sound 300W RMS power output S-Master digital amplifier Dolby digital compatible Everything you need for home cinema For those who love their entertainment, the DAV-TZ140 has the sound and picture quality capabilities to create a cinema experience in your own home. The 5.1ch system offers you a choice of set-up options to create a surround sound experience. Micro-satellite speakers and a subwoofer let you hear the full range.