As the pioneer of iPod speakers housed inside hard-protected, zippered cases, Sonic Impact has continuously evolved two audio product lines: its i-Fusion speaker for Dock Connecting iPods became i-F2, and now i-F3 ($180), while its smaller i-Pax speaker for iPod shuffles transformed into the Dock Connecting iPod units i-P22 and i-P23. i-F3 preserves the same general ballistic nylon, zippered exterior of its black and white predecessor, replacing the…
