The original Jawbone Jambox Bluetooth speaker has won raves from us and seemingly everyone else who reviews portable audio gear. That’s partly because of the Jambox’s great sound, partly because of its cool industrial design, and partly because of its flashy programmable features. But even the most shameless marketing guy wouldn’t say the Jambox’s 1.25-inch drivers rock.

Here's a product that had three strikes with me before I ever heard it. First there's the name, which seems more appropriate for a Frito-Lay product. Then there's the lineage: JBL's smaller, less-expensive docks never impressed me. Last, Maroon 5 appears in the ads. What, I ask rhetorically, would the creators of "Moves Like Jagger" know about sound quality?

On my first gig as an electronics journalist, way back in 1989, the magazine’s senior editor introduced me to the technical editor with the explanation, “He’s in charge of all the black boxes.” Twenty-two years later, little has changed.

KEF made the LS50 minispeaker for lots of reasons. It’s a celebration of the company’s 50^th anniversary. It’s the first affordable application of the technology developed for the $29,999/pair Blade. It’s a throwback to the LS3/5a, a beloved, BBC-designed minimonitor for which KEF made the drivers.