Simrad BSM-3

This product is discontinued.

Ideal for commercial fishing vessels, the BSM-3 is a high performance, dual-channel broadband sounder with CHIRP technology. Its 3,000m (10,000ft) working range means you can venture further offshore, with the confidence to find the fish you’re looking for.

The BSM-3 is built for tough offshore conditions, with rugged all-aluminum housing. New transducer connectors make installation and service easier than ever, minimizing downtime and keeping you out on the water.

  • Professional fishfinder – sees fish at exceptional depths, with industry-leading target separation and clarity
  • Dual independent transceivers with dual transducer ports
    • Compatible with wide-angle transducers, for greater coverage of the water column
    • Combine Ultra‐Low, Low, Medium, or High Frequencies to suit your fishing area and target species
    • Any frequency you need: Broadband 25-45kHz, 40-60kHz, 130-210kHz, Narrowband 28kHz, 38kHz, 50kHz, 200kHz
  • Compression Modulation (CHIRP) for improved performance over all depth ranges
  • Penetrates up to 10,000 feet (3000 m)
  • Whispers into the water – locate fish without disturbance
  • Networked over high speed Ethernet
  • Rugged die-cast aluminium housing, waterproof to IPX6
  • Easy to install: Transducer connectors on housing minimize installation complexity
  • Easy to Use: Automatic settings optimized for everyday performance; manual settings for finer tuning

    With support for standard narrowband and high performance broadband transducers, CHIRP technology, and 1kW/3kW transmit power for a 3,000m (10,000ft) effective range, the BSM-3 is Simrad Yachting’s top echosounder for deep-water commercial fishing.

    Wide-Angle Transducers
    The Simrad BSM‐3 works with a broad range of Airmar transducers, including its latest wide‐angle CHIRP series. These transducers provide a distinct advantage over traditional narrower beam angles when looking for targets in the upper water column – making the new transducers a perfect fit for targeting pelagic species. With a wider coverage area fish targets are easier to see, appearing larger and more distinct than ever before. Wide beam transducers also search a larger section of the bottom, making it easier to find structures and track the seafloor.

    Dual Transceivers
    The BSM-3 is fitted with dual transceivers and uses two separate transducers to transmit simultaneously on high and low frequencies. The longer pulse is transmitted for greater depth penetration and, as it requires less power than a higher frequency signal, it makes less noise. The result is a ‘whisper’ into the water that locates the fish without disturbing them. The higher frequency signal gives even finer detail at shallow to mid-water depths.

    Combine any Ultra Low/Low frequency CHIRP transducer with any Medium or High frequency transducer, to best mark the species you’re targeting and the typical depths you’re fishing in. The wide range of compatible transducers means you can customize the frequency ranges, output power, and mounting style for any fishing application.

    Larger Targets
    With the ability to use up to an 8X scroll speed, BSM‐3 presents larger fish targets than competing echosounders. Combined with the Simrad BSM‐3’s industry leading target separation and clarity, the BSM‐3 offers a critical advantage when deep‐water fishing.

    Rugged Build
    The BSM-3 has a rugged die-cast aluminium housing, with IPX6-waterproof access cover for transducer wiring. Waterproof cable glands are included for use with bare-wire transducers, but new factory-fitted external connectors mean that with Airmar’s latest range of transducers, installation is as simple as plugging in a cable. Replace transceivers or swap out the BSM-3 for service quickly and easily, minimising downtime and keeping you out on the water.

    The BSM‐3 is optimised for the Simrad HEROiC user interface, and is fully compatible with Simrad multifunction displays*. With the HEROiC interface, you can immediately see how your adjustments will affect the sonar image. Find the best settings for your needs, faster and easier than ever before.

     * The BSM‐3 is compatible with Simrad NSS, NSS evo2, NSE, NSO, and NSO evo2 series, with latest software updates installed. Some UI features unavailable on NSE and NSO Offshore models.


    Frequencies Broadband 25-45kHz, 40-60kHz, 130-210kHz, Narrowband 28kHz, 38kHz, 50kHz, 200kHz


    Output Power 250 Watts RMS / 2000 Watts peak to peak
    Echosounder Max Depths

    3,000m / 10,000ft

    Echosounder Transducers

    Standard Narrowband and High Performance Broadband (1kW/3kW) Transducers

    Echosounder Frequencies

    Broadband 25-45kHz, 40-60kHz, 130-210kHz, Narrowband 28kHz, 38kHz, 50kHz, 200kHz


    Operating Temperature -15°C to +55°C
    Water Resistance IPX5
    Product Width 340mm / 13.4in
    Product Height 100mm / 3.9in
    Product Weight 4.8kg / 10.6lbs
    Product Length [mm] 250mm / 9.8in (excluding connectors), 289mm / 11.4in (including connectors)


    Power Consumption Range dependent, normally under 10W. Internal 3A fuse.
    Power Supply (Supply Voltage) 12 or 24 V DC (max range 10.7 V to 32 V DC)


    When you choose a product from Navico Commercial, you are automatically protected by our service and support program.

    Our Service & Support program aims to provide the best possible experience, even on occasions when support or replacement is required.

    Choosing to have your system installed by a Certified Dealer adds 2 Year Onboard Support and 24 Hour Replacement to your support package. This is available only on systems installed by a Certified Dealer and valued at over US$2500.

    Learn more about Service & Support


    Navico guarantees its products against defects in materials or workmanship according to the terms and conditions detailed within the Navico Warranty Policy. Customers can obtain warranty support by contacting: