In the world of advanced marine electronics, the Humminbird Apex 19 Mega SI+ Chartplotter stands out as a cutting-edge powerhouse. Designed for serious anglers and professional mariners, the Apex 19 delivers an unmatched combination of precision, imaging technology, and seamless connectivity. With its large 18.5-inch full-HD touchscreen, ultra-detailed sonar imaging, and integrated GPS capabilities, the Apex 19 Mega SI+ takes navigation and fish-finding to a whole new level.
$1,230.00
In the world of advanced marine electronics, the Humminbird Apex 19 Mega SI+ Chartplotter stands out as a cutting-edge powerhouse. Designed for serious anglers and professional mariners, the Apex 19 delivers an unmatched combination of precision, imaging technology, and seamless connectivity. With its large 18.5-inch full-HD touchscreen, ultra-detailed sonar imaging, and integrated GPS capabilities, the Apex 19 Mega SI+ takes navigation and fish-finding to a whole new level.
In this comprehensive guide, we’ll explore the key features, specifications, benefits, and frequently asked questions about the Humminbird Apex 19 Mega SI+ Chartplotter, and why it is considered one of the best chartplotters available today.
The Humminbird Apex 19 Mega SI+ is a premium, multifunction marine display built with elite performance and innovative sonar technology. It’s part of Humminbird’s flagship APEX series, tailored for captains who demand the best from their marine electronics. Whether you’re fishing offshore, navigating rivers, or cruising through large lakes, the Apex 19 offers high-resolution imaging, customizable views, and full system integration.
The standout feature of the Apex 19 is its 18.5-inch full-HD (1920 x 1080) display. With ultra-bright LED backlighting, this screen provides crystal-clear views of sonar, charts, and system data even in direct sunlight. The touchscreen interface is intuitive and responsive, making it easy to customize split-screen views, access menus, and manage navigation on the water.
The Apex 19 is equipped with MEGA SI+ (Side Imaging Plus) and MEGA DI+ (Down Imaging Plus) sonar, offering unparalleled clarity and coverage. You get:
Side Imaging+: View up to 250 feet on either side of your boat with high-frequency sonar, revealing structure, cover, and fish in stunning detail.
Down Imaging+: Explore what lies beneath with photo-like clarity up to 200 feet down.
CHIRP Sonar: Target separation and depth tracking for both shallow and deep waters.
The built-in Dual Spectrum CHIRP sonar delivers more accurate fish arches and better target separation. You can select Wide Mode for maximum coverage or Narrow Mode for greater detail.
With integrated GPS and Humminbird Basemap, the Apex 19 supports:
Navionics® and C-MAP® compatibility
AutoChart Live: Create real-time maps with depth contours, bottom hardness, and vegetation mapping.
SmartStrike: Predicts the best fishing spots based on species, season, and weather conditions.
The Apex 19 offers a dual control interface—use touchscreen or keypad controls, whichever you prefer. This hybrid approach ensures you can operate the system in any condition, including rough seas.
The Apex 19 is fully network-ready:
NMEA 2000® and Ethernet networking
One-Boat Network™ integration with Minn Kota® and Cannon®
Connect to MEGA 360 Imaging, MEGA Live Imaging, radar, AIS, and Autopilot systems
Create custom views with multiple sonar and chart windows on one screen. Use up to four independent sonar views or overlay radar and sonar simultaneously.
Easily store charts, updates, and recorded sonar logs with two SD card slots—ideal for backing up data or running multiple charts.
| Feature | Specification |
|---|---|
| Display Size | 18.5″ Full-HD (1920 x 1080) |
| Touchscreen | Yes, with Cross Touch® interface |
| Sonar Types | MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP |
| Side Imaging Range | Up to 250 ft. per side |
| Down Imaging Range | Up to 200 ft. depth |
| GPS | Internal, high-precision |
| Mapping | Humminbird Basemap, Navionics, AutoChart Live, C-MAP |
| Networking | NMEA 2000, Ethernet, One-Boat Network |
| Memory | Dual SD Card Slots |
| Radar & AIS | Compatible |
| Transducer Included | Yes, depending on bundle |
| Waterproof Rating | IPX7 |
| Mounting Options | Gimbal mount or flush mount |
| Software Updates | Via SD card or Humminbird PC |
The sonar output is sharper, clearer, and more detailed than ever. Whether you’re targeting bottom fish or exploring new areas, the MEGA Imaging+ sonar gives you a photographic view of the underwater world.
The Apex series is built for serious boaters. It’s engineered with speed, responsiveness, and reliability in mind, even during long offshore runs or tournament fishing.
Apex works seamlessly with other Humminbird, Minn Kota, and Cannon products—allowing for a fully connected boat setup. Control your trolling motor, downriggers, and sonar all from one screen.
With both touchscreen and button controls, even beginners can operate the system efficiently. The interface is clean, logical, and designed for quick access to key features.
It’s a long-term investment for your vessel. With regular software updates and broad compatibility, the Apex 19 is ready for future tech.
Offshore Fishing: Locate schools of fish and underwater structures with extreme accuracy.
Inland Lakes and Rivers: Map unfamiliar waters with AutoChart Live.
Tournament Fishing: Gain a competitive edge with MEGA Imaging and SmartStrike.
Commercial Use: Trusted by professional captains and guides for navigation and fishing intelligence.
Setting up the Apex 19 is straightforward for experienced boat owners and marine techs. The unit can be flush-mounted or gimbal-mounted depending on your vessel’s console layout. Initial setup includes:
Connecting the power supply.
Mounting the transducer at the transom or trolling motor.
Connecting Ethernet and NMEA 2000 cables (if needed).
Configuring sonar, GPS, and chart preferences.
For best performance, ensure your transducer is properly leveled and calibrated. Software updates can be installed via SD card.
Like all marine electronics, the Apex 19 should be treated with care:
Rinse with fresh water after saltwater use.
Avoid prolonged exposure to direct sunlight when off.
Use a screen cover when not in use.
Keep SD cards dry and regularly back up maps and sonar logs.
As of 2025, the Humminbird Apex 19 Mega SI+ Chartplotter is priced between $4,999 and $5,499, depending on the configuration and whether a transducer is included.
A: Some bundles include a transducer (such as the XM 14 HW MSI T). Always check product listings to confirm.
A: Yes, the Apex 19 is fully compatible with MEGA Live Imaging, offering real-time fish movement tracking.
A: The Apex series offers higher display resolution, more sonar detail, and better networking than HELIX or SOLIX. It’s designed for pros who need top-tier performance.
A: Absolutely. Via the One-Boat Network, you can control Minn Kota motors (including Spot-Lock, Follow-the-Contour, and i-Pilot Link).
A: Yes, it has an IPX7 rating, which means it can handle splashes and temporary immersion in water.
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