echo MAP 74sv includes a 7-inch high-contrast color display with automatic backlight adjustment. Fast, responsive 5 Hz GPS/GLONASS refreshes your position and heading 5 times each second to make your movement on the screen more fluid. echo MAP comes with 1 transducer for 50/200 kHz HD-ID sonar and G...

The GCV 10 black box sonar adds both SideVu and DownVu with CHIRP scanning sonar technologies to your compatible Garmin echo MAP or GPSMAP series combo (see compatible devices). CHIRP technology sweeps through a range of frequencies to give you an ultra-clear sonar picture of objects, structure and...

Get ultra-clear sonar pictures of objects, structure and fish that pass below and to the side of your boat with this 12-pin transducer. This 20 ft. transducer cable with built-in fast response temperature sensor has a power rating of 500 W per element (1,500 W total); a depth of 750 ft. (DownVu) and...