Low-Profile Thru-Hull CHIRP Transducer for High-Speed Performance

The Echonautics BT70L300 Low CHIRP transducer is designed for marine enthusiasts and professionals seeking precise depth and temperature readings. Featuring a low-profile, thru-hull mounting style, this transducer minimizes drag while ensuring reliable performance, even at high speeds. Its 0° tilted element is tailored for hull deadrise angles between 0° and 7°, optimizing sonar accuracy. Built with durable bronze and a urethane acoustic window, it withstands harsh marine environments, making it a trusted choice for boaters who demand efficiency and resilience.

Technical Specifications

• Function: Depth and Temperature
• Frequency Range: CHIRP 40-75kHz
• Mount Style: Thru-Hull
• Tilt/Deadrise Compatibility: 0° tilted element; suitable for hull deadrise angles between 0° and 7°
• Material: Bronze
• RMS Power: 300 watts
• Temperature Sensor: NTC
• Acoustic Window Material: Urethane

Product Dimensions

• Hole Diameter: 2.38 in
• Cable Length: 27 ft

Highlights

• Low-profile design minimizes drag and enhances vessel speed
• Optimized for high-precision depth and temperature measurements
• CHIRP technology ensures enhanced target separation and clarity
• Durable bronze construction for longevity in marine environments
• Urethane acoustic window for improved sonar signal transmission

Variations List

• BT70L300-00 – 0° Tilt
• BT70L300-12 – 12° Tilt
• BT70L300-18 – 18° Tilt