Inspector Gadget: JBL Xtreme's a fine speaker

Boston HeraldInspector Gadget: JBL Xtreme's a fine speakerBoston HeraldThe latest in a long line of Bluetooth speakers, the JBL Xtreme is available to consumers on Sept. 27. It's marketed as a portable, splash-proof speaker, weighing in at just under 5 pounds and measuring 5-by-11 inches. The good: With a powerful bass ...