The Garmin GT8HW-IH is an 8-pin in-hull transducer for fiberglass hulls, made for boats such as bass boats where a transom mount could suffer from cavitation. It needs a flat hull section of less than 6 degrees and keeps accurate depth readings at high speed, using high-wide CHIRP traditional sonar at 250 W.
- Frequency: CHIRP High Wide 145 to 230 kHz
- Power: 250 W
- Maximum depth: 800 ft freshwater
- Cable length: 20 ft
- Sensors: Depth
- Connector: 8-pin
- Deadrise: 0° to 6°








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