icListen Kayak
Ocean Sonics · Acoustics
icListen Kayak brings real-time acoustic sensing to compact deployments and distributed arrays. Its small, low-power body can be integrated with gliders and autonomous underwater vehicles, while multiple units can work together for wider coverage.
Request Technical Sheets and Documents
Ask Planet Ocean for specifications and data sheets.

Manufacturer: Ocean Sonics
Built for underwater listening
Compact integration
A slim 23 mm body helps the hydrophone fit into gliders, AUVs and other space-limited platforms.
Scalable arrays
Combine multiple Kayaks for synchronised, real-time acoustic monitoring across a wider area.
Real-time insight
Stream waveforms and spectral data, with event detection available for rapid decisions.
Technical specifications
| Frequency range | 10 Hz to 200 kHz |
|---|---|
| Sensitivity | −172 dB re V/µPa |
| Peak sound pressure level | 180 dB re µPa |
| Depth ratings | 900 m or 3,500 m |
| Sample rate / resolution | 1–512 kS/s / 24-bit |
| Communication | Ethernet |
| Dimensions / mass | 213 × 23 mm / 195 g |
Specifications depend on configuration. Please confirm the exact version and availability with our team before selecting an instrument.
Find the right instrument for your project
Search Planet Ocean products and manufacturers, then speak with our team about your application.
Ocean technology, backed by people.
5 product ranges
Explore instruments, sensors and ocean systems across our portfolio.
Two UK teams
Speak to us in Camberley or Southampton about product selection.
Call or email our team
For help choosing an instrument or discussing your application, get in touch with our team.
Planet Ocean
“It is our mission to provide an energetic, committed and pleasurable experience for our team, customers & supply partners.”

Terry Sloane
Managing Director
Discuss what you need to measure, where your instruments will be deployed and the challenges you face. Our team can help with product selection and experienced application support.
Send us an enquiry
Tell us what you need to measure and where it will be used. We’ll help you explore the options.