Amazon.com Product Description: The Humminbird XHS 9 DB 74 T Transom Mount Transducer is a transducer designed to mount on the transom, or back, of the boat, in contact with the surface of the water, and operate in conjunction with a compatible Humminbird sonar or fish finder system. This unit is a large housing, dual-beam transducer that utilizes a 20-degree, 200 kHz beam and a 74-degree, 50 kHz beam, with a built-in temperature sensor. The XHS 9 DB 74 T features a 20-foot cable, and all the necessary hardware to get up and running right away. The Humminbird XHS 9 DB 74 T transducer is specifically designed for use with Humminbird's 931C DF and 937C DF. This item is backed by Humminbird's one-year limited warranty.
