Samsung Home Theater System HT-Z420. Selling at a reasonable price because im missing the 2 rear speakers. System includes the DVD player, center speaker, 2 front speakers, sub and ipod dock. email me at Improve the look and sound of virtually any DVD. The Samsung HT-Z420 Home Theater System uses an HDMI connection to up-convert DVDs to near-1080p, so they become instantly crisper and clearer when displayed on your HDTV. Enhancing the audio ambiance, Auto Sound Calibration (ASC) balances the output from each speaker for optimal sound reproduction in any room. It also comes with a rear wireless speaker module which eliminates the need to run wires from the front to the back of the room.. And thanks to front and center speaker cones made with "green" high-density, bio kelp fibers, all types of music are delivered with clearer sound and less distortion or internal noise.