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Excuse my ignorance, but how will a unit with 4000W peak-to-peak power output be inferior to a unit with 8000W peak-to-peak? Will this difference be of any notable significance when used on the water…it is worth spending approximately $500 more?
On inland lakes and rivers, you do not need 8000w peak to peak. That’s 1000 watts RMS. If you’re not fishing in the ocean, you don’t need that kind of power. All the top Lowrance, Eagle, Humminbird, and Garmin units you all have been running for years in these parts have been 500 watts (or 4000ptp). There’s a lot of misunderstanding about power out there. Bottom line, you don’t need more than 500 watts (4000ptp) for inland lakes and rivers.