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"If you've been putting off that GPS purchase in hopes that Alpine would deliver a sleek, fully compatible solution for the head unit that you already splurged on, your lucky day has finally arrived. The altogether simplistic NVE-M300 GPS Navigation Drive is a simple black box that measures just barely more than 4- x 4- x 1-inches and is designed to interface with the company's top two selling in-dash AV head units: the iXA-W404 (4.3-inch display) and the IVA-W505 (7-inch touchscreen). The device features the outfit's own OnPoint Advanced GPS Positioning, turn-by-turn guidance, a solid-state gyro sensor and accelerometer, text-to-speech and pre-loaded NAVTEQ maps of the US and Canada. Unfortunately, all this beautiful harmony will cost you, and by \"cost you,\" we mean \"450 bones.\""^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2009/07/15/alpines-nve-m300-black-box-brings-navigation-to-top-head-units/>