Simrad SS164 20 Degree Tilt 50/200Khz KHZ 9-PIN Thru Hull

Upgrade your fishing setup with a transducer that delivers crystal-clear underwater images, whether you're chasing trophy fish in shallow bays or scanning deep structures. This stainless steel thru-hull model stands out for its rugged build and precise beam alignment, making it a go-to choice for serious anglers on smaller vessels. Its tilted element design ensures optimal performance without the bulk of traditional fairings, perfect for boats that see both water and trailer life.

Why Broadband 50/200 kHz Makes a Difference

Dual-frequency operation gives you the best of both worlds: the 50 kHz mode casts a wide beam for spotting schools in open water and tracking bottom contours up to impressive depths, while 200 kHz sharpens details on individual targets and structure in shallower zones. This versatility shines during all-day trips, letting you switch modes on the fly via your compatible Simrad display for tailored sonar returns that cut through noise and clutter.

Backed by 1 kW RMS power, it punches through thermoclines and delivers reliable data even at higher speeds. Anglers report fewer false readings around bait balls or wrecks, thanks to the broadband tech that maintains sensitivity across a wide range of conditions.

Perfect Fit for Fast-Moving Hulls

The 20-degree tilt aligns the ceramic elements perfectly with hull deadrises between 16 and 24 degrees, common on many sportfishing and center console boats under 25 feet. This means maximum energy directed straight down, minimizing dead zones ahead or behind your vessel. No need for an additional fairing—its flush-mount stainless housing protrudes just a quarter-inch, riding smoothly over trailer bunks without dings or wear.

For high-speed runs up to 30 knots, it holds steady, providing accurate depth and temperature readings from one compact sensor. Imagine planing across flats at dusk, watching live bottom structure unfold on your screen while tracking water column changes that signal feeding fish.

Built to Withstand Real Marine Abuse

Stainless steel construction laughs off corrosion, impacts, and constant submersion. The 33-foot cable offers flexible routing through tight bilges, and the 9-pin connector pairs seamlessly with popular Simrad sounders. It's not just tough—it's smart engineering that keeps you fishing longer with less downtime.

Pro tip from seasoned installers: Pair it with a high-output amplifier for even deeper penetration in murky coastal waters, where every foot of bottom detail can mean the difference between limits and skunked.

Enhance Your Fishing Strategy

• Shallow Water Precision: 200 kHz excels at revealing grass lines, drop-offs, and suspended bait—ideal for inshore species like redfish or flounder.
• Deep Drop Confidence: 50 kHz tracks wrecks and ledges beyond 1,500 feet, helping you pinpoint swordfish or grouper haunts.
• Speed Stability: Maintains clear arches and separation at planing speeds, so you never miss a mark while running to the next spot.
• Temp Tracking: Integrated sensor spots current rips and upwellings, guiding you to productive edges.

Compared to pocket-mount alternatives, this thru-hull option cuts turbulence for cleaner signals, especially on stepped hulls. It's a favorite among tournament pros who demand reliability when big checks are on the line.

Installation Insights for Peak Performance

Mount it forward of your running gear for the cleanest water flow, ensuring the tilt matches your hull angle for vertical beam projection. A steady hand and proper bedding compound seal it watertight, ready for seasons of service. Once dialed in, expect bottom-lock that hugs contours like a second skin, even in rough chops.

Care and Longevity Tips

Rinse after saltwater exposure, inspect the face for growth, and store dry during off-seasons. This simple routine extends its life, keeping sonar performance razor-sharp year after year. Many users rave about its durability, often outlasting multiple electronics upgrades.

Ready to see what's below with unmatched clarity? This transducer transforms your sonar into a fish-finding powerhouse, tailored for the demands of dedicated offshore pursuits.