UNDERWATER PASSIVE ACOUSTIC RECORDERS

Snap

Low-cost, light, easily transported

  • Easy to configure with a few button settings

  • Field ready with no computer needed to record or recover data

  • Quickly redeploy, just swap batteries and insert a new SD card

  • Data saved as wav files

  • Travels well with no restricting lithium batteries. Bring standard D-cell batteries with you, or purchase at your point of embarkation.

  • Includes HTI-96-min hydrophone

  • Fast delivery, usually ships in days, not months

500m depth rated
128 GB microSD
10 days continuous recording
60 days recording with 10% duty cycle

Need something that goes deeper? Look below or contact us about the Snap-Titanium.

Learn more about the Snap

LS1 and LS2 Recorders

Longer deployments

  • Built on the simplicity of the Snap, with the same easy, fast set-up and data recovery, and no travel restricting lithium batteries

  • 4x battery capacity of the Snap

  • Available in one channel (LS1) or two channel, stereo (LS2)

  • Includes one or two HTI-96-min hydrophone(s) and vent plug

  • Optional mounting brackets can be added to any order

  • Fast delivery, usually ships in days, not months

300m depth rated
1 TB microSD
40 days continuous recording
240 days recording with 10% duty cycle

Learn more about the LS1 and LS2

LS1X and LS1X-Al

Even longer & deeper deployments

  • Same as the LS1, but with double the battery capacity for longer deployments

  • Anodized aluminum of the LS1X-Al allows deeper deployments

  • Available in one channel or two channel for stereo recording

  • Includes one or two HTI-96-min hydrophone(s) and vent plug

  • Optional mounting brackets can be added to any order

  • Fast delivery, usually ships in days, not months

300m depth rated PVC; 3,000m aluminum
1 TB microSD
80 days continuous recording
240 days with 10% duty cycle

Learn more about the LS1X and LS1X-Al

ML4X: Four channel recorder

Create an array with one device

  • Same as the LS1X, but with four independent hydrophones

  • Includes four HTI-96-min hydrophones and vent plug

  • Optional mounting brackets can be added to any order

  • Check with us about delivery expectations

Download the Spec Sheet.

Contact us to learn more about the ML4X recorders

LHI-CAL Calibration Tool

Hydrophone calibration

  • Works with any Loggerhead-provided HTI-96-min hydrophone

  • Includes sound calibrator with a coupler

  • Generates calibration-quality tones at 250 Hz and 1000 Hz at two sound levels

  • Allows rapid collection of calibration signals prior to and after deployments of Loggerhead’s acoustic dataloggers

Contact us to learn more about the LHI-CAL Tool

Compare these product features to determine which might be best for your project.
Please contact us with additional questions, and for current prices and estimated delivery times.

To calculate the expected run time for your specific application, please download our
Run Time Calculator.

  • Monitor offshore noise and soundscapes.

  • Conduct basic research and diversity monitoring.

  • Record vocalizations from species of interest.

  • Discover previously unrecorded species.

  • Capture underwater soundscapes.

Contact us for pricing