Just-turned-50-year-old PSB Speakers has set its sights on the future with the Alpha iQ, the maker’s first powered speakers packing onboard high-resolution network streaming, plus a host of other connectivity options. It all comes in a compact, robust-sounding form factor that’s easy to set up and use, one “that doesn’t take a four-year college physics degree to operate,” according to product manager Joe de Jesus. Previewed to the press this week in New York and making its formal debut at the CEDIA Expo in Dallas, TX next week, with retail availability in late November, Alpha iQ speakers ($1,4…