JBL's latest speaker system On Air Wireless ($350, aka OnAir) borrows a lot from various earlier speakers the company has released: the general body design of the memorably beautiful but slightly crazy On Time alarm clock, the integrated screen of On Time and its somewhat obscure sequel On Time 400iHD, and the "On Air" name from an earlier JBL wireless multimedia speaker. But everything's been upgraded: the new screen is colorful and much higher in…
