Lowrance Elite-7 CHIRP Base Fishfinders/Chartplotters combine CHIRP Sonar with DownScan Imaging built-in GPS antenna and basemap. CHIRP Sonar technology provides greater sensitivity improved target resolution and superior noise rejection for clearer easy-to-see bait fish and game fish targets.CHIRP ...Sonar AdvantagesEasier to identify and distinguish bait and game fish targetsBetter target identification at greater depthsMark fish clearly at faster boat speedsExclusive Lowrance Elite-7 CHIRP advantagesMultiple CHIRP frequencies from a single transducerCHIRP sonar performance with a greater number of affordable transducers including the Lowrance HDI SkimmerView multiple CHIRP sonar settings on one displayMore Features and Specifications
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The Chirp transducer needs to be mounted on the outside of the vessel to work properly.
Those will do 600watt transducers. But, the model 000-11662-001 with the TD code LOW-0354 does not come with a transducer. The rest of them do.