Spotter Sound
Starting at $17,355
Spotter Buoy:
$7,520
Smart Mooring:
$4,335
Smart Node(s):
$1,500
Sensor(s):
(Hydrophone) $3,500
Quiet Chain:
$500
*Pricing is representative and subject to change.
Add an AI-enabled hydrophone to your Spotter Platform to monitor underwater sound with always-on listening to detect vessels and marine mammals in real time. Process data at the edge using built-in AI models or deploy your own algorithms for custom detection needs.
Spotter is a modular, rapidly deployable marine sensing platform that delivers real-time surface and subsurface ocean data to power better decisions.
What is Spotter Sound?
A turnkey solution for real-time underwater acoustic monitoring. Ships globally, deploys quickly, and transmits sound data instantly.


Spotter Buoy
Hub for power and communication. Measures waves, wind, and pressure in real time.
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Smart Mooring
Intelligent cable extending real-time data collection underwater.
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Hydrophone
Monitors underwater acoustics with always-on listening and edge processing for real-time detection.
Learn More →
Add More Sensors
Enhance Spotter Sound with additional sensors, such as:
Spotter Sound in Action
Watch how Spotter Sound captures underwater acoustics in real time.
Underwater Sound Library
Real acoustic intelligence from real deployments. Explore what Spotter Sound captures across the world's oceans.
Access Real-Time Sound Data
View real-time & historical observations, set alerts, and leverage the Sofar API to ingest data into custom dashboards and applications.


Set custom thresholds on acoustic metrics and receive instant notifications.
Review data over time to identify patterns, trends, and seasonal variations.
Stream acoustic measurements directly into your applications with JSON-formatted data.
Supercharge Spotter Sound with Onboard AI
Remotely deploy, train, and update full-size detection and classification algorithms.

HydroTWIN™ event detection models and dashboards available
Real-Time Edge Processing
Process acoustic data on the device, sending only key detections to save bandwidth
Smart Event Detection
Auto-detect marine mammals, vessels, and custom sounds with instant alerts
Flexible AI Deployment
Remotely upload custom algorithms or activate HydroTWIN™’s pre-loaded detection models






