BT70L300-00 - Si-tex Echonautics BT70L300-00 300w 40-75kHz Low | Aztek Computers
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SKU: H6QHJQI4LD |  Mfg. Part: BT70L300-00  | UPC: 010407340067  |  0 Reviews  |     Share Make an offer

BT70L300-00 - Si-tex Echonautics BT70L300-00 300w 40-75kHz Low CHIRP 0d Tilted Element Bronze TH

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$476.74  $643.60
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Product Overview

Echonautics BT70L300 40-75kHz Low CHIRP 300watts 0 deg Tilted Element

Model: BT70L300-00

A low-profile thru hull CHIRP transducer, that matches vessels deadrise to specific angle.

Designed to minimize drag and to perform at high speeds

Specifications
Function
Depth and Temperature
FrequencyCHIRP 40/75kHz
Mount styleThru Hull
Tilt/deadrise0 deg tilted element ; for 0 deg to 7 deg hull deadrise
MaterialBronze
RMS Power300 watts
Hole diameter2.38 in
Cable length27 ft
Temperature sensorNTC
Accoustic windowUrethane


Expert Overview

The SI-TEX Echonautics BT70L300-00 is a low-profile thru-hull CHIRP transducer designed for marine vessels requiring precise depth and temperature readings. Operating within a 40-75kHz low CHIRP frequency range, this unit provides detailed underwater data for navigation and fishfinding applications. With a 300-watt RMS power rating, it is suitable for professional use where reliable performance is critical. The bronze transducer features a 0-degree tilted element, making it compatible with hulls having a 0 to 7-degree deadrise, which helps minimize drag and maintain performance at higher vessel speeds. Installation requires a 2.38-inch hole diameter, and it includes a 27-foot cable for flexible mounting. This transducer is intended for IT and marine professionals managing vessel electronics, offering a robust solution for integrating essential sonar capabilities.

Product Details

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  • SI-TEX
  • BT70L300-00
  • 010407340067
  • New
  • 3.4 lbs
  • 5 X 5 X 5
  • Today - Sep 20, 2026
  • Aug 06, 2026
Product Identifiers: Brand: Si-tex • Part #: BT70L300-00 • UPC: 010407340067 • Category: Fishfinders

Frequently Asked Questions

What is the recommended hull deadrise for the BT70L300-00 transducer?

The BT70L300-00 features a 0-degree tilted element, making it suitable for hulls with a deadrise between 0 and 7 degrees. This design helps ensure optimal performance and minimizes drag.

What functions does this transducer provide?

This transducer provides both depth and temperature sensing capabilities. It utilizes CHIRP technology within the 40-75kHz frequency range for detailed underwater imaging.

What material is the transducer made from and what is its power rating?

The transducer is constructed from bronze and has an RMS power rating of 300 watts. It is designed for thru-hull mounting.

What are the installation requirements for this thru-hull transducer?

Installation requires a 2.38-inch hole diameter in the hull. The transducer comes with a 27-foot cable for connection to compatible marine electronics.

BT70L300-00 - Si-tex Echonautics BT70L300-00 300w 40-75kHz Low CHIRP 0d Tilted Element Bronze TH

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$476.74