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1kW Transom Mount Transducer

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Operating at 50 kHz and 200 kHz, the TM258 features an elliptical beam from four ceramic elements. The beamwidth is narrow on both frequencies for excellent resolution both shallow and deep. The TM258 comes with a rugged stainless steel mounting bracket that is easy to install and has a streamlined shape. The combination of power and sensitivity has made this the high performance transducer of choice for use with conventional fishfinders.


  • Depth and water-temperature
  • 1 kW
  • Dual-frequency elements
    • 50 kHz - 15° X 21° beam with performance to 647 m (2200')
    • 200 kHz - 3°X 5° beam with performance to 294 m (1000')
  • Recommended boat size: Up to 10 m (32')
  • Stainless steel kick-up assembly locks in the “up” position and will not damage the transom
  • Exclusive Xducer ID technology 


  • Weight: 3.6 kg (7.9 lb)
  • Hull Deadrise: Up to 28°
  • Acoustic Window: Urethane Speed performance to 35 MPH
  • For transom angles between 3° and 21°


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