Garmin ECHOMAP Ultra 2 16 Chartplotter 166sv w/GN+ Mapping & GT56UHD-TM Transducer

Garmin ECHOMAP Ultra 2 16 | 166sv UHD Sonar Bundle

Garmin ECHOMAP Ultra 2 166sv streamlines the search for offshore structure by bundling a 16-inch high-definition display with the ultra-high-definition GT56UHD-TM transducer. By integrating CHIRP traditional, ClearVü, and SideVü sonar into a single transom-mount housing, the system mitigates the need for multiple thru-hull penetrations while delivering surgical clarity of fish and bottom contours. This architectural synergy ensures that anglers maintain a tactical advantage, providing the processing power necessary to render vivid sonar returns and Garmin Navionics+ mapping simultaneously without frame-rate degradation.

From an installation standpoint, the 166sv features an all-in-one wireless networking capability to share sonar and user data between multiple units. In demanding littoral conditions, it is vital to ensure the GT56 transducer is mounted in a location free of hull-induced turbulence to maintain signal lock at cruising speeds. System performance depends on power integrity; don’t utilize undersized wiring for the 16-inch IPS display, as voltage drops can result in screen flickering or unexpected rebooting when the sonar is transmitting at maximum gain levels.

Technical Specifications

• Transducer: GT56UHD-TM (CHIRP, UHD ClearVü, UHD SideVü).
• Mapping: Preloaded Garmin Navionics+ (U.S. Coastal/Inland).
• Display: 16-inch IPS anti-glare touchscreen.
• Recording: On-screen sonar recording and screen capture.
• GPS: Multi-band GNSS for precision positioning.
• Networking: Fully compatible with Garmin Marine Network devices.
• Protection: IPX7 rated housing with heavy-duty mounting bail.