Garmin GPSMap-178C Sounder GPS

Garmin GPSMap-178C Sounder GPS Chartplotter and Marine Sonar

The GPSMap 178C Sounder offers everything you need for marine navigation in a single space-saving package, including GPS navigating, marine chartplotting, and powerful sonar. The device starts with a built-in worldwide marine basemap, a state-of-the-art 200 MHz processor with lightning-fast map redrawing, and a crisp 256-color LCD screen that's easy to read even in bright sunlight.

GPSMap 178C Sounder with built-in worldwide marine basemap, remote antenna with 30-foot cable, power/data cable, adjustable tilt and swivel mount, quick-start guide, user's manual.

  • 10,000 active track points and 700 saved track points; 6.3 x 4.9 x 2.8 inches (W x H x D)
  • Integrated GPS marine navigator, chartplotter, and sonar device
  • 200 MHz internal processor offers lightning-fast map redrawing
  • Built-in worldwide marine basemap with coastlines, rivers, lakes, political boundaries, and more
  • 4.5-inch-diagonal, 256-color, sunlight-readable LCD screen with adjustable backlight
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