Northstar's 491 Sounder/Fishfinder
Northstar’s New 491 Fishfinder. All the information you need, all the time.
The elite team of engineers at Northstar has called upon their vast experience, knowledge and expertise in sonar technology to bring you the 491 sonar module. This power packed module sets a clear standard in network sonar performance. A unit proven in design and by exhaustive on the water testing by Northstar engineers that know fishing.
This unit offers you the same easy to use functionality and screen clarity for under-the-water information that you would expect from Northstar’s unmatched chartplotter, GPS and radar.
Northstar’s legendary SoundTrac™ gives you the ability to scroll back to a target in the screen’s history, mark it, and easily navigate to it. The Northstar 491 is feature rich: 50/200kHz. 600/1000W. Bottom Lock. A Scope. White Line. Alarms for depth, fish, and temperature. Northstar matched transducers. Each feature can be tuned to fit your needs. Or, simply leave the 491 in auto mode and start fishing.
In the Box:
491 Sounder
Installation Kit (cable assembly - power, 10ft, 16awg, 3amp fuse; 10ft terminated chartplotter to fishfinder cable assembly; heat shrink seal connector; transducer connection assembly kit)
Instruction Sheet
Installation Manual
Install Template
Operations Manual
Registration Card
Warranty