The B258 is a bronze, 1kW RMS, thru-hull, 50/200 kHz depth and temperature sensor. Ideal for use with BSM-1 echosounder for fishing in shallow, medium and deep waters.

High Performance
The 1kW transducer is perfect for fast, sportfishing vessels that can install a thru-hull transducer with a fairing.

Deep Water Fishing
Excellent for deep water bottom and structure fishing up to 500m/1640ft.

Depth/Temperature
Calculate depth and temperature from one compact sensor.

Easy To Install
Wide Operating Range
From 1 knot to 45 knots.

Highly Accurate Sounding
Provides extremely accurate echosounding data, even at speeds of over 30 knots.

Dual Frequency
Works at 50 kHz and 200 kHz for good target detail in shallow water and excellent bottom tracking in deep water.

Bronze
Built to withstand the environment.

• Dimensions W x H x D 108 x 178 x 203 mm (W, L, H) (4.3 x 7 x 8")
• Weight 3.6 kg (7.9 lb)
• Frequencies 50/200 kHz
• Max Depth 640m (2100 ft) depending on sonar