Airmar SS175HW CHIRP - 20 SS Thru-Hull Transducer - 1kW - Requires Mix and Match Cable [SS175C-20-HW-MM]SS175HW Wide Beam CHIRP 20 Stainless Steel Thru Hull Transducer 1kW Requires Mix and Match Cable Get more coverage under the boat with Airmar's new 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 new wide beam transducers will achieve twice the coverage