Raymarine B75M 600W Medium Frequency CHIRP Transducer 20 Tilt Single Operation Cable f/1 Transducer Install [A80036] Brand_Humminbird while 2 way bases provide

while 2 way bases provide a narrow cable mount for crowded surface areas

Waterproof rated to IP67 Specifications:

It can also protect wiring from short circuits

Two way radio base stations

Protective Sleeves Prevent Wear and Tear

Raymarine B75M 600W Medium Frequency CHIRP Transducer 20 Tilt Single Operation Cable f/1 Transducer Install [A80036] Brand_Humminbird while 2 way bases provideB75M 600W Medium Frequency CHIRP Transducer 20 Tilt Single Operation Cable for 1 Transducer Install The B75's offer high resolution benefits of CHIRP technology at an affordable price. Available in a number of low profile, tilted element configurations these transducers are great options for small and medium sized trailerable boats. They also offer wider beam angles than some more expensive transducers, providing greater coverage below the vessel.