Skip to product information
1 of 1
1 product view Open images for a closer look Compare photos with product details

Garmin

Garmin GT56UHD-TH Thru-Hull Transducer, UHD Sonar with Depth & Temp

Garmin GT56UHD-TH Thru-Hull Transducer, UHD Sonar with Depth & Temp

SKUCT-110882

Regular price $871.07
Regular price Sale price $871.07
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Out of stock

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Uncover more fish and structure with the Garmin GT56UHD-TH Thru-Hull Transducer. This all-in-one sonar solution provides unparalleled clarity and detail, featuring Ultra High-Definition ClearVü, SideVü, and high-wide CHIRP traditional sonar. Experience 20% greater SideVü range at 1000 kHz, allowing you to see further with stunningly clear images below and to the sides of your boat. Upgrade your fishing experience today with Garmin's advanced sonar technology.

In the Box:

  • GT56UHD-TH Transducer
  • Stainless Steel Stem
  • Fairing Block
  • Isolation Plate and Bushings
  • Extension Cable
  • Mounting Hardware
  • Documentation

Key Features & Benefits:

  • Triple Sonar Capability: Supports Ultra High-Definition ClearVü, SideVü, and High-Wide CHIRP traditional sonar for comprehensive underwater views.
  • Extended SideVü Range: Delivers 20% greater range at 1,000 kHz, allowing you to scan wider areas and pinpoint targets more effectively.
  • Versatile Frequencies: Operates at traditional high-wide CHIRP (150-240 kHz) and ClearVü/SideVü (455 kHz, 800 kHz, 1000 kHz) for optimal performance in diverse fishing environments.
  • Impressive Depth Capabilities: Achieve maximum depths of 800 ft for traditional sonar (freshwater), 400 ft for ClearVü, and 500 ft for SideVü, ensuring detailed insights in various water conditions.
  • Integrated Temperature Sensor: Provides accurate water temperature readings directly from your transducer.
  • High Power Output: Offers 350W for traditional sonar and 500W for ClearVü/SideVü, ensuring strong signal returns for clear images.
  • 12-Pin Connector: Ensures a secure and reliable connection to compatible Garmin chartplotters.
  • Flexible Mounting Options: While designed for thru-hull installation, it includes hardware for transom, trolling motor, and thru-hull mounting to suit various boat configurations.
  • Generous Cable Length: Features a 25 ft cable for flexible transducer placement.

Recommended Pairings: For best results, pair with compatible Garmin echoMAP UHD or GPSMAP series chartplotters for a full-featured marine navigation and fishfinding system.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.

View full details