The Airmar B45 is the brand's most compact and cost-effective dual-frequency bronze stem transducer, built around a single 50/200 kHz ceramic element. A urethane acoustic window, 600 W power handling, and an included high-performance fairing block work together to maintain strong sonar returns even at elevated vessel speeds — making it a practical thru-hull solution for sailboats and small fishing vessels up to 9 m (30').

Specifications:

• Acoustic Window: Urethane
• Cable Length: 10 m (33')
• Common Use: Cruising/Racing Sailboats, Leisure/Yachting, Fishing
• Connector: Simrad 9-Pin / Lowrance 9-Pin / Navico 9-Pin
• Conventional Beam: 45° (50 kHz) / 12° (200 kHz)
• Country of Origin: USA
• Cross Reference: 000-13946-001
• Deadrise Range: Up to 28° with fairing
• Display Connector: 9N
• Frequency Band: 50/200 kHz
• Hole Size: 22 mm (7/8")
• Housing Material: Bronze
• Hull Material Compatibility: Fiberglass or wood
• Max Deadrise Angle: 26°
• Max Depth — Low Frequency (50 kHz): 366 m (1,200')
• Max Depth — High Frequency (200 kHz): 206 m (700')
• Max Vessel LOA: Up to 9 m (30')
• Mix and Match Series: 5-Pin 600 Watt
• Mounting Style: Thru-Hull with Fairing Block
• Power Rating: 600 W
• Sensor Connector: MM
• Frequency Configuration: Conventional Dual Frequency
• Tilted Element: No
• Transducer Functions: Depth, Temperature
• Usable Shaft Length: 92 mm (3.62")
• Weight: 2.5 kg (5.5 lb)

Note: This product may not be returned to the original point of purchase. Please contact Airmar directly with any product issues or concerns.