MHK ISDB/Instruments/icListen HF Smart Hydrophone

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icListen HF Smart Hydrophone

Manufacturer: Ocean Sonics
Measurement Category: Acoustic Noise
Operating Environment: Underwater
Version(s): HF(L): Low frequency 1 Hz to 200 kHz

HF-X2: Reduced sensitivity 1 Hz to 200 kHz

HF with RESON TC4059 sensor: 10 Hz to 204 KHz, upper limit user selectable.

Communication Protocol: Internal Logging, Ethernet
Operating Mode: Stand Alone, Free Streaming
Power Supply Type: Battery
Power Specification: Battery: 10 hr deployment


The flagship icListen HF is a reliable and accurate hydrophone that records & outputs sound data in real units. Frequency range 10 Hz to 200 kHz (1 Hz low frequnecy option available). Includes spectral processing, event detection, PPS synchronization, and the powerful Web Server available on the Ethernet interface. Comes with calibration documentation.

Instrument Measurements

  • Sound Pressure Level (Sound Pressure)

Measurement Specifications
Freq Response: 10 Hz to 200 kHz

Optional Sensors

No optional sensors provided. Please add sensors.

Guides and Manuals

Product Web Page:

Product Software Page:

Notes, Considerations & Recommendations

Lucy Hydrophone Software also available.

User Experience

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