Garmin GPSMAP 8412xsv 12" chartplotter/sonar combo delivers MFD performance in a compact, easy-to-install package built for serious sport fishermen, cruisers, sailors and sail racers. Its 12" Full HD IPS touchscreen provides wider viewing angles, superb clarity, and sun readability—even with polarized sunglasses.
Brilliant Display, Flexible Mounting
Experience a sharp, responsive interface with a 12" full HD IPS touchscreen designed for edge-to-edge flat mounting or flush installation, delivering a sleek glass helm look while remaining easy to read in any conditions.
Advanced Sonar, Ultra-High-Definition Scanning
- Built-in support for traditional CHIRP (dual-channel 1 kW), CHIRP ClearVü and CHIRP SideVü scanning sonars
- Built-in Ultra High-Definition scanning sonar with no black box required
- Full compatibility with Panoptix™ all-seeing sonar line (transducers sold separately)
Comprehensive Networking & Smart Controls
- Fully network capable with NMEA 2000® connectivity and the Garmin Marine Network
- Built-in Bluetooth®, ANT® technology and Wi‑Fi® for seamless connectivity
- SmartMode™ station controls offer quick, one-touch access to critical information
- Control across radar, autopilots, cameras, forward-looking sonar and more from your chartplotter
- OneHelm™ integration coordinates third-party onboard products for centralized control of digital switching, lighting, stabilization, and more
- Premium-performance processor for fast map drawing, robust networking, and smooth video distribution
- Built-in Wi‑Fi to pair with ActiveCaptain® for OneChart™, smart notifications, Quickdraw™ Community data, and more
- Video streaming control from GC™ 100 wireless cameras and VIRB® action cameras
- ANT wireless connectivity for quatix® marine watch, gWind™ Wireless 2 transducer and wireless remotes
One-Chart Convenience for Every Vessel
Networked sonar, radar, cameras, media and digital switching can operate independently or be integrated into SmartMode station controls, ensuring quick, one-touch access to the information you need to ease high-stress situations—such as docking.
SailAssist for Competitive Edge
The SailAssist™ feature provides data, displays and prerace guidance to help you gain a competitive edge, with tools such as laylines, enhanced wind rose, heading and course-over-ground lines, true wind data fields and tide/current/time sliders. Gauge displays deliver need-to-know information at a glance, keeping you oriented on fast-moving water.
Experience top-tier marine electronics performance with a robust feature set designed to simplify navigation, enhance situational awareness and elevate your sailing, cruising and fishing experiences.
| General |
| Physical dimensions |
11.9" x 8.5" x 3" (30.3 cm x 21.6 cm x 7.6 cm) |
| Weight |
6.2 lbs (2.8 kg) |
| Water rating |
IPX6 and IPX7 |
| Display type |
touchscreen IPS display (anti-glare finish) |
| Display size |
10.1" x 5.7" (25.7 cm x 14.5 cm) |
| Display resolution |
FHD; 1920 x 1080 pixels |
| Power consumption |
3.1 A |
| Antenna |
Internal or external over NMEA 2000 |
| Mounting options |
Bail, flat or flush (Garmin do not offer any hardware or accessories for a flat-mount installation. Professional tools and knowledge is required.) |
| Receiver |
10 Hz GPS/GLONASS/Galileo |
| Garmin Marine Network™ ports |
2 |
| Maps & Memory |
| Accepts data cards |
2 microSD cards (on back) |
| Waypoints |
5,000 |
| Routes |
100 (250 waypoints each) |
| Track log |
50,000 points; 50 saved tracks |
| pre-loaded maps |
Worldwide Basemap |
| Outdoor Recreation Features |
| Tide tables |
Yes |
| Chartplotter Features |
| Garmin Radar compatible |
Yes |
| Garmin Sonar compatible |
Yes |
| Garmin SmartMode compatible (customizable monitor presets) |
Yes |
| Supports AIS (tracks target ships position) |
Yes |
| Supports DSC (displays position data from DSC-capable VHF radio) |
Yes |
| Supports FUSION-Link™ compatible radios |
Yes |
| GSD™ Black Box sonar support |
Yes |
| GCV™ Black Box sonar support |
Yes |
| ActiveCaptain compatible |
Yes |
| Garmin Helm compatible |
Yes |
| GRID™ (Garmin Remote Input Device) compatible |
Yes |
| Wireless remote compatible |
Yes |
| Sonar Features & Specifications |
| Dual-frequency (50/200 kHz) sonar capable |
Yes |
| Dual-beam (77/200 kHz) sonar capable |
Yes |
| Frequencies supported Regular |
Traditional: 50/200, 77/200, 83/200 Single Channel CHIRP: 40-250
Dual Channel CHIRP: 40-250
SideVü/ClearVü: CHIRP 260/455/800
(dependent on transducer) |
| Frequencies supported Ultra High Definition |
Ultra High-Definition ClearVü: 0.8 MHz (800 kHz), CHIRP range: 760-880 kHz
Ultra High-Definition SideVü: 1.2 MHz (1,200 kHz), CHIRP range: 1,060-1,170 kHz
(dependent on transducer) |
| Transmit power |
1 kW traditional; 1 kW CHIRP |
| CHIRP sonar technology |
Yes (Built-in) |
| ClearVü |
Yes |
| SideVü |
Yes |
| Maximum depth |
5,000 ft at 1kW (depth capacity is dependent on water bottom type and other water conditions) |
| Connections |
| NMEA 2000® compatible |
Yes |
| Transducer pin numbers |
1 — LVS sonar, 1 — 12 pin scanning sonar, 1- 8 pin sonar |
| NMEA 0183 input ports |
1 differential |
| NMEA 0183 output ports |
1 differential |
| Video input ports |
1 - BNC composite
1 - HDMI (HDCP compliant) |
| Video output ports |
1 HDMI |
| Wireless connectivity |
Yes |
