Aperion Audio's Home Audio Link is already enabling content speaker owners to enjoy the spoils of wireless, but if you're in the market for a set of bookshelf speakers, the outfit's Zona system might just fit the bill. Essentially, these monitors combine high-end audio fidelity with the aforementioned 2.4GHz wireless technology, allowing owners to plug a transceiver into a USB source up to 150 feet away and shoot all sorts of sine waves over to their two speakers. Of course, we wouldn't recommend these to casual listeners given the $499 asking price, but at least that gets you a pair of 20-watt Class D amplifiers, 4.5-inch woven fiberglass wo
