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Description
Humminbird Helix15 Chirp Mega Si+ Gps G4n No TransducerHumminbird HELIX 15 CHIRP MSI+ GPS G4N Control head Only Model: 411320 1CHO Keypad control: Master HELIX at the touch of a button. Access the preloaded views from the user friendly menu system, operated by soft key controls that allow you to reliably operate your fish finder in any condition. MEGA Side Imaging+: See the world below like never before with a crystal clear Side Imaging viewing out to 200 feet on either side of your boat. You'll unlock
Humminbird HELIX 15 CHIRP MSI+ GPS G4N Control head Only
Model: 411320-1CHO- Keypad control: Master HELIX at the touch of a button. Access the preloaded views from the user-friendly menu system, operated by soft key controls that allow you to reliably operate your fish finder in any condition.
- MEGA Side Imaging+: See the world below like never before with a crystal-clear Side Imaging viewing out to 200 feet on either side of your boat. You'll unlock more fish and structure with 20% more detail and 60% more range capability than MEGA Side Imaging sonar.
- MEGA Down Imaging+: Get unprecedented underwater clarity with Down Imaging coverage down to 200 feet below your boat. You'll unlock more fish and structure with 20% more detail and 60% more depth capability than MEGA Down Imaging sonar.
- Dual Spectrum CHIRP sonar: Before you cast, know what's down there thanks to highly-detailed fish arches and a clear view of fish-holding structure and the bottom. Powered by our proprietary, Low-Q CHIRP transducer, Dual Spectrum offers two ways to search; Wide Mode for maximum coverage and Narrow Mode for focusing on the slightest detail.
- Internal GPS and Humminbird Basemap: Our enhanced basemap provides you with a clear view of underwater terrain and surrounding points of interest so you can fish and navigate with total confidence. Identify buoys, day markers, hazards, marinas, contours, depth markers and much, much more. Includes charts of more than 10,000 lakes, plus coastal coverage for the continental U.S.
- Premium Chart Compatible: Humminbird provides the most complete offering of premium chart options to anglers everywhere. Get a complete view of the world below with optional charts from Humminbird's LakeMaster® and CoastMaster™ products, as well as your choice of compatible Navionics® charts.
- AutoChart Live: Create real-time maps of your fishing spots, with access to patented Humminbird® LakeMaster® features. Map depth contours, bottom hardness and vegetation as you drive your boat. Comes standard with eight (8) hours of built-in recording time and is compatible with AutoChart Zero Line SD cards for virtually-endless AutoChart Live mapping capacity.
- One-Boat Network Compatible: Many Humminbird models seamlessly integrate and communicate with Minn Kota and Cannon products to unlock more features and capabilities for anglers everywhere. Make the more of your time on the water with the exclusive boat control and fish-catching features of the One-Boat Network.
- Ethernet Networking: High-speed Ethernet allows you to build a powerful, professional-grade fishing system. Easily connect multiple fish finders, or upgrade to add-on technologies like Minn Kota i-Pilot Link and Humminbird CHIRP Radar.
- Bluetooth: Take control right from the screen of your Humminbird with wireless communication to compatible Talon and Raptor shallow water anchors, as well as Cannon Optimum downriggers. Additional features include wireless software updates from the Humminbird FishSmart App and display of smart phone notifications on your Humminbird.
- NMEA 2000 networking built-in: Connect an accessory NMEA 2000 network to your control head for even more information; from boat performance to weather and water conditions, make sense of it all with NMEA 2000 networking.
- Control Head Only Model: This model does not include a transducer. This CHO model is a great choice for those looking to connect to connect to Built-in MEGA Imaging on Minn Kota trolling motors, accessory transducer options like MEGA 360 Imaging, or share sonar data from an existing Humminbird Ethernet network.
The HELIX 15 CHIRP MSI+ GPS G4N CHO features a 15.4"" display, MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models, this HELIX 15 includes standard features such as AutoChart Live, Wi-Fi and NMEA 2000®, in addition to Bluetooth® and Ethernet networking for compatibility with the One-Boat Network™ family of products from Humminbird, Minn Kota and Cannon. This CHO (Control Head Only) model allows you to pick the right accessory transducer for your needs, including compatibility with Minn Kota Built-in MEGA Imaging trolling motors.
What's in the Box:
- HELIX 15 CHIRP MSI+ GPS G4N
- Gimbal mount bracket and mounting hardware
- Power cable
- Sun cover
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Ergonomic Office Chair
Color: Nori Black (Pu Leather Seat), Color: Nori Black (Pu Leather Seat)
I’ve been using this ergonomic office chair for about a week now and honestly it’s one of the best upgrades I’ve made to my workspace.
The chair was easy to assemble, feels very sturdy, and the mesh back keeps it breathable during long work sessions. The lumbar support is surprisingly comfortable and actually helps with posture, especially if you sit at a desk for hours every day.
The seat cushion has the right balance of firmness and comfort, and I like that the armrests and height are adjustable to fit different setups. The wheels roll smoothly and the chair feels stable even when leaning back.
Pros: ✔️ Comfortable for long hours
✔️ Great lumbar support
✔️ Breathable mesh back
✔️ Smooth rolling wheels
✔️ Modern clean look
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Perfect Office Chair for My Desk Setup!!
Color: Khaki, Color: Khaki
Absolutely love this chair! It was very easy to put together and looks beautiful in my office. The cushion is comfortable, the chair feels sturdy, and it rolls smoothly. I can sit for hours while working without feeling uncomfortable. The color and modern design make my workspace look so much nicer. Great quality for the price and definitely worth it!
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Comfortable and Stylish Office Chair
Color: Cream Khaki (Pu Leather Seat), Color: Cream Khaki (Pu Leather Seat)
This office chair is comfortable, supportive, and looks great in my workspace. The adjustable lumbar support helps reduce back strain during long work sessions, and the flip-up armrests are convenient when I need extra space. The combination of PU leather and breathable mesh feels durable and comfortable. Assembly was straightforward, and the khaki color gives it a modern, professional look. Highly recommended for a home office
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Just buy it and you will love it
Color: Khaki
Amazing chair. It looks as expected. Perfect fit for my needs. It has great lumbar support and value of my money. There is no squealing noise and pretty strong and sturdy. I am 5 feet and 8 inches and fits for me. Very easy to setup. I love that they have given extra and back up screwes for every component. Easy setup for one person and very easy setup for two people. I was able to set this up under 20 minutes. Screws and instructions are on the box and inside the seat package. Overall good purchase and happy customer and will update after couple of months.
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Reviewed in the United States on April 20, 2026
★★★★★ 4
A step up, but still room for improvement
Color: Cream Khaki (Pu Leather Seat)
Yikes, the *shilling* on the reviews for this thing! Yes, it's a chair. There are a lot of mesh-backed office chairs for sale here. None of them are likely to change your life.
I can say this chair is a step up in quality from the few others I've purchased online in the past. All hardware below the seat cushion is heavy steel; you won't be breaking this stuff in the near future--and it's a nice change from the almost-entirely-plastic offerings I see elsewhere.
The provided hardware was packaged intelligently: it's all screws (and not too many of them) with various lengths, but they all have the same size hex-head and the package includes a nice matching T-bar to install them; moreover, if you follow the instructions it's basically "use the screws labelled Step 1 now" then "use the screws labelled Step 2 now"--hard to get wrong.
The best part of the chair is the lumbar support. It's why I selected this particular variant, and it was a good choice: it's firm and adjustable and makes a difference. The back is comfortable, and the general motion of the chair (rocking, locking, up/down, swivel, roll) is exactly as you'd expect.
I don't like arms on my chairs: when they're down I rest my elbows there but they're always too high so it bothers my shoulders eventually, and when they're up my elbows bump into them. So I usually remove the arms entirely during assembly--and in this chair that wasn't too hard, but it does leave some slightly unsightly connection points hanging free. That's not a mark against the chair itself--just letting you know; at worst I could point out that this chair's arm movement is maybe a little more limited than usual.
The worst thing about this chair, though, is the cushion. I got the leatherette seat, because it's supposed to be comfortable and easy to clean. In practice it's *not* comfortable at all: it's soft enough, sure, but it's also *very* hot and makes me squirm repeatedly to try to improve my comfort the longer I sit here. I suggest getting the mesh-bottom version, if you're going to get this model.
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Reviewed in the United States on March 30, 2026