Amazon.com offers the Clarion 7" In-Dash DVD Receiver, model no. NX509, to $649.99. With free shipping, that's the lowest total price we could find by $52. The NX509 is compatible with multiple video and audio formats and features a touch panel control, 50 watts per channel into four channels, 7" widescreen LCD, built-in GPS navigation, AM/FM receiver, Bluetooth and USB connectivity, and more.