Navico xSonic B275LH-W Bronze TH Transducer - 9 Pin [000-13771-001]xSonic B275LH W Wide Beam CHIRP, 1 kW, 9 Pin Connector Get more coverage under the boat with Airmar's wide beam CHIRP product line. Offering a high frequency range of 150 250 kHz and a constant 25 beam width, these transducers are truly broadband at its best. In addition to improving the performance of CHIRP ready echosounders, anglers using the wide beam transducers will achieve twice the coverage under the boat compared to our current high frequency