About the Garmin GT15M-IH
Fishing deep in freshwater? Let this transducer help
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.
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
- MFR # 010-12402-00
What's in the box:
Garmin GT15M-IH owner's manual
- GT15M-IH in-hull mount transducer with attached 20' cable (8-pin plug)
- Rubber gasket (red)
- In-hull tank (0 degrees)
- In-hull tank (5 degrees)
- In-hull tank (12 degrees)
- In-hull tank (20 degrees)
- Threaded collar
- Threaded collar gasket (red)
- Installation Instructions
- Threaded collar instructions
Customer reviews for Garmin GT15M-IH
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Features
Overview: The 600-watt Garmin GT15M-IH sonar transducer is designed for installing inside a fiberglass hull, instead of on the transom. The transducer features mid-band CHIRP traditional sonar (85-165 kHz), which provides views of fish and structure down to 1,900 feet in freshwater. It also transmits depth information to the connected chartplotter. The GT15M-IH comes with 4 plastic tanks that allow you to account for the deadrise angle of the hull when mounting the transducer. The transducer comes with an attached 20' cable with a (blue) 8-pin plug.
Optional CHIRP Traditional Sonar: With an optional Garmin Y-cable, you can pair the GT15M-IH with a Garmin GT36UHD-TM or GT56UHD-TM transducer to add CHIRP ClearVü and SideVü sonar to the connected chartplotter.
Specifications:
- Frequencies Supported: CHIRP Mid-band: 85-165 kHz
- Transmit Power (RMS): 600 watts
- Beamwidth: 24° to 13°
- Maximum Depth: 1,900 feet (freshwater)
- Supported Deadrise Angles: 0° to 25° deadrise
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