Use of a highly rigid bamboo material in the center speaker helpsachieve an extremely pure, clean sound. A Kelton Subwoofer system with adual diameter structure delivers a deep, powerful bass. Whisper-ModeSurround allows you to enjoy rich surround sound even when watchingmovies at low volume. Panasonic DVD home theater products feature a1080p up-conversion function that converts standard definition imagesfrom DVD sources to high definition images. These up-converted signalsdraw out the maximum performance of an HDMI compatible 1080p HDTV,giving you vivid, sharp and exceptionally detailed high-resolutionimages to enjoy. With the includedWireless Kit for Rear Speakers, no cables means no clutter. You canalso expand your music listening into three additional rooms with thewireless multi-room speaker kit (sold separately). Play your favoritemusic from your home theater's built-in hard drive in your living roomand listen to it in your bedroom, in the den, or even in the garage. Thebuilt-in Universal Dock for iPod gives you a great way to enjoy musicand video. Just slip your iPod into the cradle and enjoy. The dockcharges your iPod, allows you to use the home theater remote to controlthe iPod, has on-screen audio menus, and also plays back iPod video. Theenhanced Viera link displays a menu on the TV screen, making it easierto operate your connected home theater system. For example, you candisplay a menu with a list of the movies or music stored on your iPod,and use the Viera remote control unit to select one and begin playback.