The B258 is a 1kW watt depth and temperature bronze thru-hull fishfinder with an external fairing that can be cut to match the hull deadrise angle. Its unique ceramic-element construction gives it 25 times the sensitivity of a single-element 50/200kHz transducer. The resulting narrow elliptical beams will clearly distinguish individual fish and bottom fish from their habitat at up to 2200 ft. This version of the transducer has a Northstar/Navman 6-pin connector and is sold by Northstar as part AA002657 or AA002020. Product Features - Thru-hull bronze transducer with external fairing that can be cut to match deadrise
- Bolt at front of fairing keeps transducer aligned with water flow
- Frequency 50/200 kHz
- Beam cone 3 x 5 deg at 200kHz, 15 x 21 deg at 50kHz
- Maximum depth range 700-1000 ft at 200kHz, 1500-2200 ft at 50kHz
- RMS power 1000W
- Non-retractable
- 10M cable attached
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