Samsung offers three new models in its 5.1-channel Home Theater series using wireless speakers with 5.8 GHz technology. The HT-Z510 series consists of the HT-Z510, which features four satellite speakers; the HT-Z512 (pictured), which features two satellites and two tallboys; and the HT-Z515, which has four tallboys.

Each system includes a five-disc, 1080p-upconverting DVD player compatibe DVD, CD, MP3, DivX, JPEG and DVD-Audio, and it incorporates "Auto Sound Calibration" to ensure exceptional sound in any type of room. The HT-Z510 delivers 400 watts of power, while the HT-Z515 doubles that, in addition to featuring wireless-ready rear speakers for added convenience.

The HT-Z510 ($379), HT-Z512 ($429) and HT-Z515 ($479) will be available in April 2008.