Garmin ECHOMAP Ultra 2 16" Chartplotter 166sv GN+(GT56UHD-TM)

ECHOMAP™ Ultra 2 16-inch Chartplotter 166sv with GN+ Mapping & GT56UHD-TM Transducer (010-03386-01)

SEE BIGGER CATCHES ON A BIGGER SCREEN

Built for the serious angler, this 16-inch, full-HD (1920 × 1080) IPS display delivers crisp, sunlight-readable visuals so you can see bigger catches on a bigger screen—perfect for spotting structure, fish arches and routes at a glance. (0100338601)

• Bundled with the ultra high-definition GT56UHD-TM transducer, you get built-in CHIRP traditional sonar plus ClearVü™ and SideVü™ scanning sonar frequencies (260/455/800/1000/1200 kHz) for photo-like underwater images.
• Ready for the full lineup of LiveScope™ real-time scanning sonar products (transducer sold separately) so you can track moving fish and structure live as you cruise.
• Preloaded with premium mapping: select models include built-in Garmin Navionics+™ charts (with a 1-year update subscription) covering inland and coastal waters, and optional upgrade to Navionics Vision+™ for satellite imagery, high-resolution relief shading and sonar imagery.
• Wireless networking lets you seamlessly share sonar images, waypoints and routes with another ECHOMAP Ultra 2 or UHD2 unit onboard—perfect for dual-station installs or multi-helm vessels.
• Multi-band GNSS GPS receiver ensures improved position accuracy by tracking GPS, GLONASS, Galileo and Beidou satellites simultaneously—so your fix, heading and route plotting are razor-sharp.
• HDMI-output connector enables you to mirror the chartplotter screen to a TV or external display—ideal for coaching, teaching or sharing fishing strategy with a crew.
• Built-in Bluetooth® supports voice control for hands-free commands—easily operate features like your tack switch, Force® trolling motor mode, favorite keys and sonar inputs.
• High-contrast vivid sonar-color palettes make it easier than ever to distinguish fish, structure and bottom texture under any light conditions.
• NMEA 2000® and NMEA 0183 compatibility allows seamless integration with heading sensors, autopilots, Fusion®-Link audio systems and other networked marine electronics—letting you build a full helm solution.
• ActiveCaptain® smartphone app pairing gives you mobile access for software updates, screen-recording your sonar sessions, sharing your maps with the Garmin Quickdraw™ Community and more.
• Tough, unit-durable IPX7 water-rating ensures the chartplotter can withstand splashes and sudden rain—built for real-world marine conditions.
• Includes 5,000 waypoints, 50 saved tracks and 100 routes, plus dual microSD™ card slots for expandable mapping coverage and memory storage.
• Mounting flexibility: use the included throttle-style bail mount with knobs for a quick-release setup (optimum tilt for glare control), or flush-mount the unit when the helm layout demands it.

What’s in the box: the ECHOMAP Ultra 2 16″ (166sv) display unit, GT56UHD-TM transducer, power/data cable, bail mount with quick-release knobs, protective sun cover, trim caps, hardware and documentation.

Why this unit stands out: When you demand maximum screen real-estate and clarity, the 16″ ECHOMAP Ultra 2 delivers a truly immersive chartplotter/sonar experience.

The combination of ultra-high-definition scanning sonar, full mapping support, wireless networking, multi-band GPS and customizable features creates a formidable tool for anglers who want to find structure, track fish and navigate confidently.

From big-water lake runs to offshore reef hunts, this system is built to perform.