Airmar B175M Transducer CHIRP 12° Tilt

Overview

Built for serious anglers running fiberglass or wood boats up to 36 feet who need a thru-hull transducer that delivers tournament-grade sonar detail without breaking the bank. If you're fishing structure-heavy water and want to see individual baitfish instead of just blobs on your screen, this is your transducer.

The B175M is a CHIRP broadband transducer that covers 85 to 135 kHz in a single installation—meaning you get 50 kHz of total bandwidth without stacking multiple transducers. It detects bottom in freshwater down to 10,000 feet and reads water temperature in real time. The 12-degree tilt lets you aim the cone away from your boat's deadrise, eliminating the cone distortion that kills detail on faster hulls.

Key Features

• Medium CHIRP (85–135 kHz) — transmits a continuous sweep across a wide frequency band instead of a single tone — you get 5 to 10 times more detail and can distinguish between individual baitfish, game fish, and hard structure at a glance.
• 50 kHz of total bandwidth — covers popular fishing frequencies at 88 and 107 kHz plus everything in between — one transducer does the work of a dual-frequency setup.
• 12-degree tilt — angles the sonar cone to match your hull's deadrise — eliminates cone shadow and keeps your readings sharp whether you're idling or running full throttle.
• Fast-response water temperature sensor — reads and displays live water temp on your fishfinder — critical for matching the season and finding active fish.
• Bronze housing — corrosion-resistant and durable in saltwater splash zones and freshwater — lasts years longer than aluminum in harsh conditions.
• Depth capability to 10,000 feet — overkill for most recreational fishing, but you're not limited if you explore deep structure or troll offshore.

Specs & What's Included

Compatibility: This transducer works with any fishfinder that accepts a standard thru-hull 12-degree tilt transducer and supports CHIRP sonar. It is compatible with Airmar-certified units from Humminbird, Lowrance, Simrad, Garmin, and other major brands. Check your fishfinder's manual or call us at (833) 831-4077 to confirm compatibility before ordering — we'll tell you straight.

In the Box: The B175M transducer housing only. You will need to purchase a transducer cable separately (sold as Mix and Match Cable). The cable connects the transducer to your fishfinder's control head.