Franko Manini
Well-Known Member
I have a Gen 1 HDS7 (soon to be relegated to the back of the boat to make room for a newer 9") and two seasons ago I upgraded from the stock Lowrance trans to the P66. It made an enormous difference. My brother in law fished on my boat for one day last year and the next day he went out and did the same upgrade to his boat. P66s are excellent transducers and pack a lot of bang for the buck.