Navico StructureScan™HD Sonar Stainless Steel Thru-Hull Transducer (Pair) w/Y-Cable

Upgrade your boating experience with the ultimate in underwater visibility. These stainless steel thru-hull transducers, designed exclusively for StructureScan HD systems, transform how you navigate and fish by revealing hidden structures, schools of baitfish, and prime game fish locations with unmatched clarity. Mounted directly through the hull, they deliver seamless imaging even on vessels with steep deadrise angles greater than 24 degrees, ensuring crystal-clear SideScan and DownScan views without compromising boat performance.

Exceptional Imaging Capabilities

Equipped with an advanced dual-frequency element array operating at 455 kHz and 800 kHz, these transducers provide extreme detail across expansive areas. Spot bottom composition variations, separate bait from trophy fish, and map underwater terrain down to 300 feet straight down or an impressive 600 feet side-to-side. The exclusive 3-channel beam configuration—dedicated port, starboard SideScan, plus DownScan Imaging—creates a panoramic view that's perfect for serious anglers chasing structure-oriented species like walleye, bass, or offshore pelagics.

Built for High-Speed Reliability

Crafted from durable stainless steel by Airmar for Navico brands like Lowrance and Simrad, this pair resists corrosion and electrical interference in harsh marine environments. The low-profile design paired with high-performance fairing blocks minimizes hydrodynamic drag, maintaining StructureScan performance at boat speeds up to 35 mph. Whether you're trolling, cruising, or running offshore, these transducers keep delivering without skipping a beat.

Effortless Setup for Optimal Results

Installation is straightforward for thru-hull applications, especially on boats with challenging hull shapes. The kit includes port and starboard transducers, precision fairing blocks, and a Y-cable for simple connection to a single StructureScan HD module. This setup enables simultaneous operation, powering both sides from one source and simplifying wiring. With 30-foot cables, you gain flexibility for clean runs to your display unit. Pro tip: Align the fairings precisely with your hull's water flow to maximize sonar efficiency and reduce turbulence.

Power and Coverage That Outshines the Competition

• Hull Mount Precision: Ideal for stable, drag-free imaging versus transom mounts.
• 500-Watt Power Rating: Handles deep water and fast scans with robust signal strength.
• Enhanced Resolution: Dual frequencies capture fine details like wrecks, drop-offs, and weed beds.
• Versatile Coverage: 600 feet side-to-side reveals vast search areas quickly.

Anglers report game-changing finds, like pinpointing brush piles or rock piles that hold limits of fish, thanks to the superior bottom discrimination. For navigators, it's invaluable for avoiding hazards in low-visibility conditions.

Maintenance Tips for Long-Term Performance

To keep your investment performing like new, regularly inspect the transducer faces for marine growth—clean gently with a soft brush and boat soap. Avoid high-pressure washers that could damage the elements. In saltwater, rinse with fresh water after use. This rugged construction, backed by a limited 1-year warranty, ensures years of reliable service on your vessel.

Why Thru-Hull Beats Transom for Serious Boaters

Unlike transom-mounted options that can suffer from cavitation at speed or aeration in rough water, thru-hull designs embed sonar directly in the hull for consistent, noise-free returns. Perfect for multi-species fishing boats, center consoles, or yachts where hull deadrise demands specialized mounting. Pair them with your existing StructureScan HD module, and unlock imaging that feels like having eyes below the waterline.