Originally Posted by
Snapp.
If your doing Deep water work, it is handy to have one sounder showing the bottom to say 10m up and the second sounder showing the whole water column.
That way you can actively be zoomed in on the bottom, showing readings in higher detail and feature, and the second sounder showing all water column where maybe bait is a bit higher or a school of Spanish for example.
I don't have this set up at the moment. But when I get rid of this boat to upgrade, unless I have a big 10 inch I will definitely run with 2.
Not to mention how annoying it would be, to be on some great action and for your only sounder to play up.
Good luck Bud.