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530 Posts
I know that the thru hull ones are better, but how much of a difference do they really provide? are they worth the extra money? i have an old 92 sitex fish finder on my boat right now and its not working very well. Christmas time is coming up soon and im thinking i might talk my mom into getting me one. im looking at the raymarine ds500x and the difference is about 300 bucks with the different transducers