Premium sound outfitters Bang & Olufsen are about to release what just might be the biggest AirPlay speaker yet, the A9. And don't let its friendly design fool you, the A9 is chock full of room shaking sonic power. The speaker features two 3/4'' tweeters, two 3'' mid-range units, two 80-watt Class D amps, and an 8'' woofer that's powered by its own 160 watt amp. Look for the A9 Speaker in B&O stores, select Apple retailers, and select design stores in Late November. $2,800, Bang & Olufsen.