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Description
Garmin Echomap Ultra 2 166sv Us And Coastal Canada Gn+ With Gt56uhd-tm TransducerGarmin ECHOMAP Ultra 2 166sv US and Coastal Canada GN+ with GT56UHD TM Transducer Model: 010 03386 01 16 INCH TOUCHSCREEN WITH KEYED ASSIST HDMI OUTPUT CONNECTORS FOR SCREEN SHARING BLUETOOTH TECHNOLOGY ENABLES VOICE CONTROL FEATURES SUPPORTS LIVESCOPE SONAR AND MORE WIRELESSLY NETWORK; SHARE SONAR, WAYPOINTS AND ROUTES MULTI BAND GPS FOR SUPERIOR POSITION ACCURACY Designed with the serious angler in mind, this 16 inch chartplotter with a full HD
Garmin ECHOMAP Ultra 2 166sv US and Coastal Canada GN+ with GT56UHD-TM Transducer
Model: 010-03386-01- 16-INCH TOUCHSCREEN WITH KEYED ASSIST
- HDMI OUTPUT CONNECTORS FOR SCREEN SHARING
- BLUETOOTH® TECHNOLOGY ENABLES VOICE CONTROL FEATURES
- SUPPORTS LIVESCOPE SONAR AND MORE
- WIRELESSLY NETWORK; SHARE SONAR, WAYPOINTS AND ROUTES
- MULTI-BAND GPS FOR SUPERIOR POSITION ACCURACY
Designed with the serious angler in mind, this 16-inch chartplotter with a full HD resolution display brings the ultimate in big-picture clarity, brightness and readability to your navigation mapping and sonar returns. Select models come preloaded with Garmin Navionics+™ mapping. Plus, there’s support for the full line of LiveScope™ sonars1 as well as Ultra High-Definition scanning sonars and CHIRP traditional sonar.
LIVESCOPE SONAR SUPPORT: The ECHOMAP Ultra 2 chartplotter series supports the full lineup of LiveScope live-scanning sonar products (transducers sold separately).
BUILT-IN UHD SONAR: Select models are bundled with a GT56 transducer that provides Garmin CHIRP traditional sonar and Ultra High-Definition ClearVü™ and SideVü™ scanning sonars for photo-like images of what’s beneath the surface.
PRELOADED CHARTS: Select units come with built-in Garmin Navionics+ mapping, which includes a 1-year subscription for daily updates, depth range shading and more. For added features, Garmin Navionics Vision+™ premium mapping is optionally available (sold separately).
HDMI OUTPUT: Use the chartplotter’s HDMI output connector to share your sonar screen with a TV or other external display.
VOICE CONTROL FEATURES: Built-in BLUETOOTH technology enables you to give voice commands to your chartplotter for hands-free control of such features as Force® trolling motor modes, favorite keys and sonar inputs.
VIVID COLOR PALETTES: High-contrast vivid scanning sonar color palettes make it easier than ever to distinguish targets and structure.
Specifications| General | |
| Dimension | 16.9"" x 10.5"" x 3.14"" (43.0 x 26.6 x 8.0 cm) |
| Weight | 9.5 lbs (4.31 kg) |
| Water rating | IPX7 |
| Touchscreen | Yes |
| Display Type | FHD, IPS |
| Display Size | 13.6"" x 7.7""; 15.6"" diagonal (34.5 x 19.5 cm; 39.7 cm diagonal) |
| Display resolution | 1920 x 1080 pixels |
| Mounting Options | Bail or flush |
| Input | Touchscreen with Keyed Assist |
| Maps & Memory | |
| Accepts Data Cards | 2 microSD™ cards |
| Waypoints | 5000 |
| Track points | 50,000 |
| Tracks | 50 saved tracks |
| Navigation Routes | 100 |
| Sensors | |
| GPS | Yes |
| GLONASS | Yes |
| Galileo | Yes |
| BeiDou | Yes |
| Has built-in receiver | Yes |
| Receiver | 10 Hz |
| NMEA 2000 Compatible | Yes |
| NMEA 0183 Compatible | Yes |
| Supports WAAS | Yes |
| Supports multi-band, multi-constellation GPS | Yes |
| Optional Map Support | |
| BlueChart g3 | Yes |
| BlueChart g3 Vision | Yes |
| LakeVü g3 | Yes |
| LakeVü g3 Ultra | Yes |
| Garmin Navionics Vision+™ | Yes |
| TOPO 100K | Yes |
| Standard Mapping | Yes |
| Garmin Quickdraw Contours | Yes |
| Chartplotter Features | |
| AIS | Yes |
| DSC | Yes |
| Supports Fusion-Link™ compatible radios | Yes |
| ActiveCaptain® compatible | Yes |
| Supports voice commands | Yes |
| Sailing Features | Yes |
| Electrical Features | |
| Power Input | 9 to 18 Vdc |
| Typical current draw at 12 Vdc | 3.9 A |
| Maximum current draw at 12 Vdc | 6.6 A |
| Maximum power usage at 10 Vdc | 48 W |
| Sonar Features | |
| Displays sonar | Yes |
| Power output | 600 W |
| Traditional sonar (dual frequency/beam) | Built-in (single channel CHIRP, 70/83/200 kHz, L, M, H CHIRP) |
| ClearVü | Built-in 260/455/800/1000/1200 kHz |
| SideVü | Built-in 260/455/800/1000/1200 kHz |
| Panoptix™ sonar | Yes |
| Panoptix™ sonar | Yes |
| Connections | |
| NMEA 2000® ports | 1 |
| Video output ports | 1 HDMI |
| Garmin Marine Network Ports | 2 (large connector) |
| 12-pin transducer ports | 12-pin scanning sonar |
| BLUETOOTH® pairing | Yes |
What's in the Box:
- ECHOMAP Ultra 166sv with Garmin Navionics+
- GT56UHD-TM transducer
- Power cable
- Bail mount with knobs
- Protective sun cover
- Trim caps
- Hardware
- Documentation
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Great way to control TV and radio in one room from an easy chair in another room!
I help a 96 year old blinded vet with tech support -- and as his health worsens, needed to make his TV, his radio, and the audio switch that selects what audio should go into his hearing aids via Bluetooth work from his easy chair in his living room. All the equipment is in his bedroom. This IR repeater system installed quickly and easily and works perfectly. Now he can summon ball games, news, or whatever he wants without fear of getting up and falling down. A perfect solution!
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Magic!!!
I am no tech expert but these little guys are magic! We had just put in a wall of built-ins and desperately wanted to hide our cable box behind a cabinet, but with it being infrared this would not work without these little repeaters! First off I just have to say that the Sewell customer service is off the charts. You actually get to speak to a real person right away, no annoying menu after menu trying to get help. They helped us so much when we hit a couple snags. Here are a couple things that I figured out that I hope will help others. First you can hide both of these little discs, they both come with tiny little eyes that can attach to your tv and cable box or whatever you are trying to use them for, and they are nearly invisible. Second, don’t get nervous when you plug them into the power outlet and the lights don’t come on, this is ok and they aren’t supposed to stay on, they kind of blink here and there, and only when you use your remote. Third, we have an Altice One cable box (not the mini, just a regular cable box) and it was impossible to find the eye to attach the emitter’s eye (Side note: we had to put the emitter disc on top of the cable box because we couldn’t fit the emitter disc pointing in front of cable box. The directions give you both options though and you can basically put it anywhere as long as the eyes attach). The phone trick did not work on this particular cable box. But after trying about a dozen different spots on the front of the box we finally got it to work by putting the eye right on where the digital clock numbers are. I put it basically right on top of the colon (:). Cable vision was no help with this so I hope this can save others from our frustration. After we found the eye everything came together and worked perfectly! No more do we need to keep the cabinet open to change channels… it’s a miracle!!! Hope these little guys work forever.
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Reviewed in the United States on November 22, 2022
★★★★★ 4
Good product, expensive price, poor adhesive
Premium packaging for a premium device. Useful for IR remote signal delivery with extra functions on the side. Price though is luxury for it’s use. Used this for a Logitech Harmony hub control of an non-smart electric fireplace. Setup is a breeze but only if you’re tech savvy. Highly recommend to watch the YouTube video for information on all it’s application. There a many other cheaper devices similar to this available on Amazon that I could have used for the same application. If you have a need for multiple control within the same vicinity of other devices, this may be more useful for you. However, if you plan on utilizing an IR repeater/extender for only a single device and would like to save some money, don’t buy this one. This device works quite well though. Have had no issues achieving the effect needed. Only four stars due to the poor adhesive on the emitter attachment. As stated earlier, I used this on an electric fireplace with a glass surface. I used the attachable emitter to the front glass sensor where the IR receiver was located on the fireplace. After only one day, the emitter attachment fell off even though I made sure the glass was thoroughly cleaned prior to adhering it. Otherwise a good product.
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Reviewed in the United States on November 8, 2019
★★★★★ 5
Denon avr ir remote port works great with sewell products
I bought a new entertainment center with glass doors and wasn't getting good signal range with the door closed. Plus i couldnt get a good of line site, since this cabinet was shorter than the orginal, and the location for my avr was further to the left than before and now my line of sight to the receiver was blocked from other parts of the room due to high couch back.
I tried a couple different cheap $10 devices that used stick on transmitters/receiver buttons but they were clumsy and didn't provide me a total solution for my room layout.
Works fantastic with a denon x1800 receiver (and many other models). It works directly with the denon's ir remote port in the back of the avr port. The solution is actually quite simple.
Plug a stereo 3.5 mm male to male plug in the denon ir port in the back of the avr and and the other end to the orange emitter box(puck). The pics are about the size of an oreo double stuff cookie Tuck the orange box/puck away whereever and plug the power in. The box doesn't need to seen or be pointed towards anything. It's location is only limited by the length of your stereo cable and access to AC power
Put the blue box puck anywhere in the room where you have general line of sight to it from where you will be using your remote, and plug power in. In my case, its sitting on top of one of my tower speakers. From there it clears the back of the couch and can see from the family room, eat-in kitchen area, and the kitchen beyond.
Done.
I didn't need or use any of the included emitter or transmitter cables, though if you dont have a denon, or other brand avr with an ir port to plug into , or also want to hide the blue puck ( in which case attach the included sensor cable), you'll need them. But for denon users with an ir port, you just use the two pucks and their usb power adapters. Simple.
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Reviewed in the United States on April 17, 2026
★★★★★ 1
Worked good then died at six months (Updated)
Worked good for a couple of months, then started to develop a lag between when you pressed a button on the remote, and when the TV would respond. If I moved the speaker blocking the TV’s IR receiver, and pointed the remote at it, it worked perfectly. Add the IR blaster back in and the delay returns. The delay kept getting longer and longer, sometimes 5 to 10 seconds. Then it just died. Would not pass any IR signals, even though the receiver and emitter both had power. Tried rebooting, changing communication channels to no avail. Out of Amazon return window. Manufacturer wants you do go through a troubleshooting process for warranty that is too complicated and time consuming. Customer Service Rep at Sewell send me a warranty replacement.
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Reviewed in the United States on May 21, 2025
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