Harmon Kardon is lauded within the trade for its high-quality loudspeakers and A/V components, and now the company has leveraged its expertise to develop the Guide + Play  GPS-300, a portable GPS navigator with an integrated MP3/WMA player. The Harman Kardon GPS-300 GPS navigator sports a sleek, 4-inch widescreen interface that gives users access to a robust navigation system with a simple touch of a finger.

The interface lets you toggle between device menus with ease, perform a point-of-interest (POI) search to find nearby restaurants, coffee shops, or bookstores, and access the music player at a moment's notice. More significantly, the Harman Kardon GPS-300 GPS navigator's navigation and music functions are tightly integrated, so you can see and hear all the important navigation information even while playing MP3 files--a rarity among portable navigation devices. Users can even set volume priority between the two functions.

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The 4-inch widescreen LCD display of Harman Kardon GPS-300 GPS navigator, meanwhile, offers a larger map view when in GPS mode than standard navigators, with a 480 x 272 pixel resolution to ensure a clear, crisp viewing experience. It's also a breeze to supplement the built-in U.S. and Canada basemap thanks to the Secure Digital (SD) card slot, which accepts cards as large as 4 GB. As a result, you can install European street maps, rural U.S. street maps, topographical camping maps, and a host of other map types. And, of course, you can add MP3 and WMA files via the cards as well on Harman Kardon GPS-300 GPS navigator.