Simrad BSM-3 Broadband Sounder Module
$585.00
Simrad BSM-3 Broadband Sounder Module is a dual-channel CHIRP sounder with 1 kW or 3 kW power options, up to 10,000-foot depth performance, and support for broadband and narrowband transducers.
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Overview Simrad BSM-3 Broadband Sounder Module
Simrad BSM-3 Broadband Sounder Module is a black-box sonar module built for serious offshore fishing and deep-water sounder use. It combines dual-channel broadband sounder capability with CHIRP support and is designed to work with a range of Simrad multifunction displays.
With support for 1 kW and 3 kW transmit power, operation to 10,000 feet, and compatibility with both broadband and narrowband transducers, the BSM-3 is intended for users who need more sonar performance than a standard all-in-one display can provide.
Key Features
- Dual-channel CHIRP sounder: The module is designed to support high-detail sonar operation for demanding fishing applications.
- 1 kW and 3 kW power support: Higher transmit power options help support deeper water use and stronger return performance.
- Up to 10,000-foot working depth: The module is built for offshore and deep-water conditions where more reach is needed.
- Broad transducer compatibility: It supports broadband and narrowband frequencies, giving installers more flexibility.
- Simrad display integration: The module is designed to work with compatible NSS, NSE, NSO, and related Simrad displays.
Applications
This module is well suited for serious sportfishing boats and offshore operators who need dedicated sonar performance beyond the capability of a typical built-in fishfinder. It is especially useful when deeper water coverage and more flexible transducer selection are important.
It is also a strong option for larger integrated helms where a black-box sonar module makes more sense than adding another standalone display.
Specifications
| Module type | Dual-channel broadband sounder module |
| Sonar technology | CHIRP |
| Transmit power | 1 kW / 3 kW |
| Maximum depth | 3,000 m / 10,000 ft |
| Broadband frequencies | 25-45, 40-60, 130-210 kHz |
| Narrowband frequencies | 28, 38, 50, 200 kHz |
| Housing | All-aluminum housing with IPX6 rating |
What’s Included
- Simrad BSM-3 sounder module
- 2-year warranty
Frequently Asked Questions About Simrad BSM-3 Broadband Sounder Module
What does Simrad BSM-3 Broadband Sounder Module add to a vessel’s fishfinding setup?
Simrad BSM-3 Broadband Sounder Module is a dual-channel CHIRP sounder with 1 kW or 3 kW power options, up to 10,000-foot depth performance, and support for broadband and narrowband transducers. It is described as dedicated sonar or fishfinding hardware that delivers its data through an existing monitor or multifunction display setup.
Which performance details stand out on this unit?
The listed product details include 1 kW or 3 kW power options, up to 10,000-foot depth performance, and support for broadband and narrowband transducers. Those details matter when the operator needs sonar performance matched more closely to target depth, seabed conditions, or fishing style.
How is this sounder module intended to be used with other onboard equipment?
The black-box format indicates that sonar processing is handled remotely and viewed through the main display system, helping keep the helm less crowded while expanding fishfinding or sounding capability on connected electronics.
Who is this sounder or fishfinder best suited to?
It is particularly relevant to offshore fishing and sportfishing setups where stronger sonar detail, faster data access, or a better-organized helm can support more efficient decision-making during long days on the water.

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