For better or worse, your options are plentiful when it comes to palm-sized speakers aimed at improving the audio of your gizmos. While many simply tout Bluetooth or USB connectivity, NuForce is hoping to shake things up a bit with its new Cube. This micro-speaker isn't wireless, but it's got the unique ability to also function as a headphone amp and USB DAC -- all in a footprint of 38.5 x 58.5 x 60.0mm (2.30 x 2.30 x 2.36 inches). Aside from giving you multiple ways to add more kick to your tunes, the Cube packs a rechargeable battery that'll last for up to eight hours. Sa
