Airmar B164 1kW 20 Degree Thru-Hull Transducer w/Blue Connector [B164-20-BL]B164 1kW 20 Thru Hull Transducer with Blue Connector Step up to a 1kW Without a Fairing! Airmar has taken our innovative Tilted Element technology to a higher power. The 1kW, flush mount, Tilted Element transducer is perfect for fast, trailered, tournament sportfishing vessels that cannot have a High Performance Fairing. The flush mounted, bronze housing protrudes less than 6. 35mm (0. 25") outside your hull and can sit on trailer rollers and bunks