Garmin GCV20 Sonar System
Best sonar upgrade for anglers seeking high-definition underwater structure detail.
This black box module turns your existing chartplotter into a high-definition underwater scout, delivering crisp structural detail that standard sonar simply misses. You’ll need to source your own transducer, but the trade-off is a streamlined, networkable system that brings professional-grade clarity to your fishing setup.
$329.95
at
The GPS Store
Who it's for
- Anglers needing crystal-clear underwater structure and fish detail
- Boat owners expanding an existing Garmin marine electronics ecosystem
- Serious fishermen demanding maximum sonar processing power and range
Who should skip it
- Budget-conscious buyers seeking an all-in-one sonar solution
- Owners of older or non-networked marine display systems
- Boaters with limited console space or simple wiring preferences
Performance breakdown
Imaging Resolution
Ultra high-definition frequencies deliver near-photographic clarity of underwater structures.
Network Integration
Three dedicated marine ports allow for seamless data sharing across your system.
Scanning Range
Optimized for shallow to mid-depth waters rather than deep-sea exploration.
Installation Versatility
The compact black box design simplifies mounting in tight console spaces.
System Expandability
Native support for Panoptix integration significantly enhances your total situational awareness.
Build Durability
IPX7 water rating ensures reliable performance in harsh marine environments.
Key Specs
Water rating
IPX7
Transmit power
500 W rms
Maximum ClearVü depth
200 feet
Maximum SideVü range
125 feet to each side
Operating temperature
-15°C to 70°C
Dimensions
251 mm x 192 mm x 66 mm
Network ports
3 Garmin Marine Network ports
Supported frequencies
ClearVü (800 kHz), SideVü (1.2 MHz)
Mounting type
Flush Mount
Mapping capability
Chartplotter Compatible
Know before you buy
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Ask Metto anything about the Garmin GCV20 Sonar System before you decide.
