Redesigned inside and out, NSS® 4 is sleeker, faster and smarter. The touchscreen, rotary dial, and keypad all work in harmony for superior control. Inside, our most powerful Qualcomm® 8-core processor delivers smoother transitions and faster updates. And advanced fishfinding capabilities such as dual channel 1kW CHIRP sonar, Active Imaging™ HD support, and enhanced customization complete the package for our premium, all-in-one sports chartplotter and fishfinder.