The most expensive portable speaker in this lineup, the Bang & Olufsen Beolit 12, is also the only one that offers AirPlay support. Pushing the edge of portability at 2.8 kg (nearly 6.2 lb), the Beolit incorporates 120-watt class D amplifiers under the hood to drive a 4-inch woofer and two 2-inch tweeters. The Beolit 12 offers eight hours of battery life when used in wired mode, and 4 hours on AirPlay, while its built-in power supply and integrated compartment for the mains cable allows for convenient recharging. Available in four different color combinations, the Beolit 12 is priced at $799.