Wireless speakers: Panasonic showcased the SC-ZT1, a unique "4.4" speaker system with wireless speakers (except for that pesky power cord, of course). But the bigger trend was wireless subwoofers: Samsung, Philips, and Polk Audio (among others) all showed surround systems with wireless subs, enabling more flexibility when placing them in the room. Network audio: Whether it was more affordable tabletop Internet radios from the likes of Sanyo and Acoustic Research or impressive streaming audio systems from Linksys or Philips, network audio was on the rise in 2009. If you don't want a dedicated network audio product, that's OK; products like Samsung's Blu-ray home theater systems have Pandora streaming built-in, obviating the need for other hardware. And the pre-CES announcement that Apple's iTunes Store is going DRM-free means that all major music download purchases are now basically free of copy protection, making streaming between multiple devices easier than ...
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