The Simrad NSS® 4 16” is built for serious offshore fishing and larger vessels that demand maximum visibility. With a large-format display, it allows you to run multiple functions at once-chart, sonar, radar, and engine data-all in crisp, clear detail. Ideal for game fishing boats and premium setups, the 16-inch model delivers a top-tier on-water experience with unmatched screen space and performance.
 
Simrad NSS® 4 Chartplotter & Fishfinder – Premium All-in-One Marine Display
Set new expectations on the water with the Simrad NSS® 4 – a top-tier chartplotter and fishfinder designed for serious anglers and cruisers.
Combining cutting-edge performance, sleek design, and advanced fishing technology, NSS 4 delivers a faster, smarter, and more intuitive boating experience.
 
Sleeker Design, Inside and Out
The NSS 4 features a modern glass-to-edge display that instantly upgrades any helm. Its refined interface is clean, responsive, and easy to use. With hybrid controls – touchscreen, rotary dial, and keypad – you’ll stay in control in all sea conditions, from calm cruising to rough offshore runs.
 
 Faster Performance Where It Counts
Powered by a lightning-fast Qualcomm® 8-core processor, NSS 4 offers ultra-smooth performance across every function. Enjoy faster chart rendering, instant auto-routing, and seamless page transitions.
Customisable shortcut keys give you one-touch access to your favourite features, while Wi-Fi 5 and Gigabit Ethernet ensure rapid updates and reliable connectivity on board.
 
Smarter Fishing Technology
Built for keen fishos, NSS 4 is packed with advanced sonar and sportfishing features:
Built-in dual-channel 1kW CHIRP sonar
Support for Active Imaging™ HD, DownScan, and SideScan
View up to four sonar sources on a single screen (with compatible modules)
FishReveal™ technology to clearly identify fish among structure
With FishCast® powered by ROFFS®, you can access real-time, science-based fishing forecasts directly on your display (subscription required), helping you find the best fishing spots faster.
 
Advanced Navigation & Charting
Navigate with confidence using C-MAP® X-Gen charts, including DISCOVER® X and optional REVEAL® X upgrades with shaded relief and satellite imagery.
Fast, automatic route planning for safer journeys
Dual SD card slots for easy chart upgrades
Compatibility with a wide range of third-party charts
 
Seamless Integration
NSS 4 connects effortlessly with your onboard systems and electronics:
Compatible with Simrad® HALO® radar, autopilot systems, and the Simrad® app
Supports Mercury® SmartCraft Connect and other leading engine brands
Integration with SiriusXM®, CZone®, FLIR cameras, and more
Trolling motor support including Simrad® RECON™, Rhodan®, and MotorGuide
 
Built for Real Boating
High-bright IPS touchscreen – clear in sunlight and with polarised sunglasses
Multi-camera support (up to four IP cameras)
Heat Trails and colour track mapping for finding productive fishing zones
Mobile planning and updates via the Simrad® Companion App
 
Why Choose NSS® 4 from Mercury Bay Marine?
The NSS 4 delivers unmatched performance, clarity, and control. It’s a premium upgrade for any vessel, built to handle New Zealand conditions and beyond.
 
Take your boating and fishing to the next level with the Simrad NSS® 4
Finance options available for this item 
Call us today 078671280