Sounfreaq doesn't release speaker systems often, but it's safe to expect something spectacularly sexy when it does. Such is exactly the case with its latest audiophile-aimed creation, the Sound Stack wireless speaker. The company is toting this $400 Bluetooth-enabled HiFi rig as a "2.2" speaker system, thanks to its DubSub design -- a duo of active subwoofers pump out lowend in an effort to complement its two other "full-range" drivers. Soundfreaq's also packed this puppy with its UQ3 processing to keep the soundstage wide despite the
