Simrad NSS4-10 10" Chartplotter/Fishfinder Combo w/US C-MAP

It's the latest-generation Simrad NSS 4 platform 10-inch NSS chartplotter / fishfinder combo from Simrad - the redesigned NSS 4 platform with a meaningfully faster Qualcomm 8-core processor, hybrid touchscreen / rotary / keypad controls, new glass-to-edge bezel design, and the U.S. C-MAP X-gen Discover X cartography preloaded. For owners of mid-size sportfishers, walkaround cuddies, center consoles, and cruising boats 22-32 ft, the NSS4-10 is the right-sized helm chartplotter combo when you want premium sonar capability and full Simrad Marine Network integration without stepping up to the larger NSS4-12 or NSS4-16 sizes.

What 'NSS 4' means - the new generation. NSS 4 is the latest generation of Simrad's mid-tier chartplotter line - the successor to the NSS Evo3S and NSS Evo3 platforms. Three meaningful improvements vs the previous generations: (1) Qualcomm 8-core processor (the previous Evo3S used a quad-core processor) - smoother operation, faster auto-routing, rapid chart rendering, instant menu response, (2) hybrid control system with touchscreen, rotary dial, AND keypad - addresses the touchscreen reliability issues that plague heavy-chop and wet-hands operation, and (3) redesigned operating system with streamlined UI that's quicker at every touchpoint. For owners upgrading from older NSS or NSE units, the NSS 4 generation is the meaningful next-step.

10-inch display - what fits. It's a 10-inch diagonal display is the sweet spot for many mid-size powerboats - large enough to run productive multi-pane splits (chart, sonar, instruments simultaneously) without dominating helm space, but smaller and less expensive than the 12-inch or 16-inch variants. Right-sized for: 22-32 ft center consoles, walkaround cuddies, bay boats, mid-size sportfishers, and cruising powerboats. For boats where helm space is at a premium (smaller skiffs, smaller helm consoles), step down to the 9-inch GO9 XSE. For larger boats where viewing distance matters, step up to the NSS4-12 or NSS4-16 for better readability at distance.

Hybrid controls - touchscreen plus rotary plus keypad. The trio of controls is the signature usability improvement vs touchscreen-only chartplotters. Touchscreen: drag charts to pan, pinch to zoom, tap to select. Ideal for exploring charts and selecting menu options in calm dry conditions. Rotary dial: turn to scroll through menus, push to enter. Faster than touchscreen for menu navigation, works reliably in any conditions. Keypad: dedicated buttons for the most-used functions (Power, Pages, Cursor, Menu, MOB). Works in heavy chop, with wet hands, with fishing gloves - any condition where touchscreens become unreliable. The combination is the best of all three - touchscreen for speed, rotary for precision, keypad for reliability.

Qualcomm 8-core processor - what it actually changes. It's an 8-core processor isn't just spec-sheet bragging. Practical impact: page transitions happen instantly instead of with a half-second lag (significant on multi-pane chartplotters where you swap pages frequently), auto-routing calculations complete in seconds for typical route lengths vs many seconds on older processors, chart rendering during fast panning stays smooth instead of pixelating and slowly redrawing, and the system stays responsive when running multiple sonar feeds plus radar plus instruments simultaneously without slowdown. For owners building out complete electronics suites with multiple data feeds, the processor headroom matters.

Built-in dual-channel 1 kW CHIRP sonar. The NSS4-10 includes built-in dual-channel 1 kW CHIRP echosounder - no separate sonar module needed for typical CHIRP applications. Dual channel means you'll run two sonar frequencies simultaneously - high CHIRP for shallow detailed imaging plus low CHIRP for deep water, or split between two transducers for different views. 1 kW power handles depths to about 2000-2500 feet with the right transducer - plenty for inshore and most offshore applications. For very deep offshore work (over 3000 ft), step up to the S3100 or S5100 external sonar modules (sold separately, plug into the NSS network via Ethernet).

Active Imaging and Active Imaging HD support. The NSS4-10 supports Active Imaging transducers (standard sonar with side-scan, down-scan, and CHIRP capabilities in one transducer) and the newer Active Imaging HD transducers (higher resolution, better detail). Active Imaging is the side-and-down-scanning sonar that competes with MEGA Imaging in the a competing brand ecosystem - delivers photographic-quality detail of bottom structure and fish. Active Imaging HD pushes the detail further with higher pixel density. The chartplotter handles both - just connect the appropriate Active Imaging transducer (sold separately).

Preloaded U.S. C-MAP X-gen Discover X cartography. The chartplotter ships with U.S. C-MAP X-gen Discover X cartography preloaded - C-MAP's premium current-generation chart format for U.S. coastal waters and major inland waterways. Features: high-resolution shaded relief, satellite overlay capability, detailed shoreline mapping, navigation aids, hazard markers, marina information, and depth shading. The C-MAP X format supports OTA chart updates via the Simrad mobile app and the boat's WiFi connection - no chart card swapping for routine updates. Additional C-MAP regions and other cartography (Navionics, Insight) available via the SD card slot for owners cruising outside the U.S. or wanting alternative chart sources.

RECON trolling motor compatibility. The NSS4-10 integrates with Simrad's RECON trolling motor - the company's electric trolling motor with built-in chartplotter integration. Control the trolling motor (Spot-Lock, AutoPilot, route follow) from the NSS4-10 touchscreen, monitor motor status, manage waypoints across both systems. For owners building a unified Simrad-ecosystem boat, RECON + NSS4-10 is the matched pair. The chartplotter also supports compatible aftermarket trolling motors from two major aftermarket brands via their respective integration protocols.

Simrad Marine Network and NMEA 2000. Full Simrad Marine Network integration via Ethernet for: HALO radars (the HALO20+, HALO24, HALO 2000/3000 series for radar overlay and integrated radar viewing), additional sonar modules (S3100, S5100 external sonars for deep-water applications and advanced sonar processing), additional chartplotters (multi-helm installations with networked data sharing), and IP cameras (display camera feeds on the chartplotter). NMEA 2000 for standard marine sensors and data: engine data via NMEA 2000 (RPM, fuel flow, temp, alarms), GPS, AIS, wind / depth / speed instruments, and any other NMEA 2000-compatible marine sensor.

Third-party integration. The NSS4-10 supports several major third-party integration protocols: Mercury SmartCraft Connect for full integration with Mercury outboards and stern drives (engine data, alarms, diagnostics, fault codes), CZone digital switching for unified control of boat systems through the chartplotter (lighting, pumps, fans, etc.), and SiriusXM weather and audio (subscription required) for marine weather overlay on charts and satellite audio playback. For owners running multi-vendor electronics ecosystems, the NSS4-10 integrates cleanly with most major marine industry partners.

WiFi and mobile app. Built-in WiFi for: chartplotter software updates over WiFi (no SD card swapping), C-MAP chart updates via the Simrad mobile app, smartphone integration for trip planning (plan routes on your phone, push to the chartplotter), and remote chartplotter viewing from your phone or tablet (useful for monitoring the boat from the cockpit while standing at the bow, for example).

Install considerations. Plan for 4-8 hours for a professional or experienced DIY install: flush-mount cutout approximately 9-3/4 x 7-3/4 inches plus 3 inches rear depth (verify exact dimensions in the install manual before cutting), dedicated 10A circuit breaker on a clean 12V circuit (sharing the panel circuit can trip on startup with radar connected), 10 AWG marine-grade tinned power cable for typical helm runs, transducer mount and cable run, NMEA 2000 backbone connection, and Ethernet to any networked Simrad gear (radar, additional sonar modules). For boats with limited ventilation around the dash, plan for 1+ inch ventilation gap behind the unit - heat buildup under enclosed hardtops can cause thermal derating in hot conditions.