Sonic Impact has announced the release of the i-Fusion, a portable iPod speaker system mounted inside a zip-up hard carrying case. The product features a built-in iPod cradle and a rechargeable lithium ion battery that lasts approximately 15 hours. The device has aluminum cone speakers with neodymium drivers and “Maxxbass psycho-acoustic technology” with a ported cabinet to improve bass. The i-Fusion works with all iPods with Dock Connectors, measures 9 x 7 x 2.5 inches and weighs under 2.25 lbs. It will be available in August for $149.