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Garmin GT15M-IH

In-hull transducer with mid-band CHIRP sonar

Item # 150GT15MIH

Garmin's GT15M-IH 8-pin in-hull transducer makes it easier to find deep fishing spots in freshwater, thanks...

Garmin's GT15M-IH 8-pin in-hull transducer makes it easier to find deep fishing spots in freshwater, thanks...

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Item # 150GT15MIH

Ships free today

In stock
$199.99

About the Garmin GT15M-IH

Fishing deep in freshwater? Let this transducer help

Garmin's GT15M-IH 8-pin in-hull transducer makes it easier to find deep fishing spots in freshwater, thanks to CHIRP sonar that'll let you maintain depth accuracy, even when your craft is moving quickly. Got a fiberglass bass boat? Installing this transducer in the hull will help you avoid transom-mounted issues caused by cavitation bubbles. It packs 600 watts of power so it can read down to 1,900 feet in freshwater, and it'll work in saltwater, too. Pair it with select Garmin transom-mount transducers and an adapter cable so you can maintain depth at high speeds and scanning capabilities at trolling speeds.

Fishing deep in freshwater? Let this transducer help

Garmin's GT15M-IH 8-pin in-hull transducer makes it easier to find deep fishing spots in freshwater, thanks to CHIRP sonar that'll let you maintain depth accuracy, even when your craft is moving quickly. Got a fiberglass bass boat? Installing this transducer in the hull will help you avoid transom-mounted issues caused by cavitation bubbles. It packs 600 watts of power so it can read down to 1,900 feet in freshwater, and it'll work in saltwater, too. Pair it with select Garmin transom-mount transducers and an adapter cable so you can maintain depth at high speeds and scanning capabilities at trolling speeds.

The GT15M-IH's included cable runs 20 feet, and Garmin gives you four different in-hull tanks to help with installation. The tank you should use is determined by the deadrise angle of your boat at the location where you plan to install the transmitter.

Installation Note: If you haven't attempted this type of installation before, we recommend you consult with a professional.

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Product highlights:

  • 8-pin marine sonar transducer with 20' cable
  • four in-hull tanks and mounting hardware included
  • equipped with mid-band CHIRP (85-165 kHz) sonar:
    • 1,900-foot range below your boat (freshwater)
    • beamwidth: 24°-13°
  • depth readings
  • compatible with many Garmin ECHOMAP and GPSMAP chartplotters (adapter required in some cases)
  • power: 600 watts
  • 0°- 25° deadrise angle supported
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # 010-12402-00

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