Garmin GPSMAP 527xs Chartplotter Fishfinder Head Unit
$315.00
Garmin GPSMAP 527xs Chartplotter Fishfinder Head Unit is the head-only version of the 527xs combo, with built-in HD-ID sonar, CHIRP support, and 10 Hz GPS/GLONASS tracking.
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Overview Garmin GPSMAP 527xs Chartplotter Fishfinder Head Unit
Garmin GPSMAP 527xs Chartplotter Fishfinder Head Unit is the head-only version of the 527xs combo platform. It keeps the same 5-inch display, internal 10 Hz GPS/GLONASS receiver, faster processor, HD-ID sonar, and CHIRP compatibility, but the package does not include a transducer.
This version is useful when the installer already has a compatible transducer or is building a custom sonar setup. It still provides combined charting and fishfinding functions in a compact format with NMEA 2000, NMEA 0183, and wireless connectivity.
Key Features
- Head-only package: Suitable for replacements or installations that already have a compatible transducer.
- Built-in HD-ID sonar: Supports sonar display and target interpretation when paired with the correct transducer.
- CHIRP capable design: Works with compatible CHIRP transducers for improved sonar detail.
- 10 Hz GPS/GLONASS receiver: Supports smooth vessel movement and accurate waypoint work.
- Compact combo platform: Combines charting and sonar functions in a smaller helm footprint.
Applications
Useful for repowering or replacing an existing combo display when a compatible transducer is already installed on the boat. It also suits custom Garmin setups where the sonar transducer is selected separately.
The combined chartplotter and fishfinder functionality keeps it relevant for anglers who want compact navigation and sonar performance without paying for an extra transducer they do not need.
Specifications
| Product type | Chartplotter and fishfinder head unit |
| Display | 5.0-inch diagonal, 480 x 640 pixels (VGA) |
| Processor | High-performance processor, 60 percent faster than previous generation |
| GPS | Internal 10 Hz GPS/GLONASS receiver |
| Sonar | HD-ID and CHIRP capable |
| Networking | NMEA 2000, NMEA 0183, and wireless |
What’s Included
- Garmin GPSMAP 527xs combo unit (head only)
- Power/data cable
- Bail mount kit and knobs
- Flush mount gasket and hardware
- Protective front sun cover
- Documentation and installation pack
Frequently Asked Questions About Garmin GPSMAP 527xs Chartplotter Fishfinder Head Unit
What is Garmin GPSMAP 527xs Chartplotter Fishfinder Head Unit designed for?
Garmin GPSMAP 527xs Chartplotter Fishfinder Head Unit is designed for boaters who need charting and sonar in one helm display. It combines 5.0-inch diagonal, 480 x 640 pixels (VGA) display with HD-ID and CHIRP capable to support navigation, fishfinding, and everyday helm decisions.
What navigation and sonar features stand out?
This display is described with 5.0-inch diagonal, 480 x 640 pixels (VGA) display; HD-ID and CHIRP capable; Compact combo platform, giving the operator a clear mix of chart viewing, sonar detail, and practical control at the helm. Those details make it easier to read navigation data and interpret underwater information during normal use.
How does this unit connect with other onboard electronics?
This unit includes NMEA 2000, NMEA 0183, and wireless; Internal 10 Hz GPS/GLONASS receiver, which supports data sharing, position updates, or system expansion when those functions are listed for the model. That can be useful for owners who want charting, sonar, and connected onboard information working together.
What makes this chartplotter easy to operate underway?
This marine display is described for active marine use, where clear visibility, responsive operation, and straightforward access to key data matter throughout the day. The screen size and feature focus should suit operators who want charting and sonar information presented in a single helm interface.

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