Airmar B117-DT-MM 50/200 kHz Bronze Thru-Hull Transducer with Mix & Match Cable

The Airmar B117-DT-MM is an entry-level dual-frequency transducer designed for depth and temperature sensing on small to mid-sized vessels. Featuring a single 50/200 kHz ceramic element housed in a low-profile bronze body, this thru-hull transducer extends only 5 mm (3/16") outside the hull for minimal drag and a nearly-flush appearance.

Key Features:

• Dual-frequency operation: 50 kHz with 45° beamwidth for maximum depth of 366 m (1200'), and 200 kHz with 12° beamwidth for depth to 206 m (700')
• 600 W power rating for reliable performance
• Depth sensing with fast-response water-temperature capability
• Mix & Match cable system allows compatibility with multiple fishfinder brands
• Right-angle cable exit saves installation space and protects against damage
• Bronze housing ideal for fiberglass and wood hulls
• Low-profile design minimizes hydrodynamic drag
• Included rubber washer accommodates irregular hull surfaces during installation

Technical Specifications:

• Frequencies: 50/200 kHz dual-frequency
• Power Rating: 600 W
• Beam Angles: 45° (50 kHz) / 12° (200 kHz)
• Maximum Deadrise: Best performance through 7°, accommodates up to 12°
• Hull Material Compatibility: Fiberglass or wood
• Mounting Hole Size: 51 mm (2")
• Housing Material: Bronze with urethane acoustic window
• Recommended Vessel Size: Up to 8 m (26') LOA
• Weight: 0.9 kg (2 lbs)

Ideal for leisure yachting and fishing applications, the B117-DT-MM provides reliable depth and temperature data in a compact, durable package. The Mix & Match cable configuration offers flexibility when upgrading or changing fishfinder systems.