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Ocean Sonics RB9 Hydrophone

Listen and record audio underwater audio. The hydrophone has a wide range of frequencies, with the ability to hear something as low as the Earth’s tectonic movements up to the sounds of different marine species.

Ocean Sonics RB9 Hydrophone

Listen and record audio underwater audio. The hydrophone has a wide range of frequencies, with the ability to hear something as low as the Earth’s tectonic movements up to the sounds of different marine species.

  • Environmental sensor icon

    Real-time monitoring

  • modern gui

    Integrated into BRIDGE

  • Easy to Use ROV Icon

    Mountable to DTG3 & REVOLUTION ROVs

Underwater passive listening device for listening and recording audio from wide range of frequencies

Customers use this device in ocean science applications where they are monitoring species patterns and health by listening for them, it is additional data on top of visual data and sample data to help identify species behaviour and trends. The Hydrophone mounts to the top or bottom of the DTG3, or the bottom of the REVOLUTION ROV.

Ocean Sonics RB9 Hydrophone Signal Performance

Resolution16 or 24
Maximum Data Rate512
Minimum Data Rate1
+/- 3 dB bandwidth200
Low Frequency Cuto10
Minimum Self Noise39
Voltage Sensitivity-176
Peak Input Level (μPa)182
Dynamic range, 1.0 Hz BW146
Peak Input Level (Volts)6
Sigma Delta Modulator Rate16.384
Full Bandwidth Dynamic Range90
Dynamic range, Spectrogram, Full BW119
Digital Sensitivity, 16-bit, count2 / μPa2-95
Digital Sensitivity, 24-bit, count2 / μPa2-47

Ocean Sonics RB9 Hydrophone Mechanical

Mass (Plastic Case)478
Volume (Displacement)332
Overal Length, including connector318
Sensor Element Length117
Body (Can) Length165
Element Diameter16
Body Diameter48
Download Datasheet