Last year, we covered Cambridge Audio’s Minx series of speakers, which like other Apple AirPlay-standard wireless audio systems were saddled with unjustifiably high price tags and unimpressive wireless performance. Despite sharing its predecessors’ industrial design, Go V2 is a very different beast. Armed with Bluetooth rather than AirPlay and five total speakers — twin 0.75” tweeters, two 2” woofers, and one 5.4”-wide…