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The B765LH covers the low-frequency spectrum from 40 kHz to 75 kHz with a beam width of 32 degrees to 21 degrees. It also covers the high-frequency spectrum from 130 kHz to 210 kHz with a beam width of 15 degrees to 9 degrees. The overall bandwidth of this transducer is 115 kHz and covers the popular fishing frequencies of 50 and 200 kHz, plus everything else in the bandwidth. The B765LH is designed to provide all the advantages of the larger thru-hull transducers in a compact size suitable for smaller boats.
The internal array consists of 2 broadband ceramic assemblies for great sensitivity and performance. The B765LH is intended for boats up to 30' in length or longer with fiberglass or wooden hulls.