The Garmin P66 consolidates depth, speed, and temperature sensing into one plastic transom-mount housing — making it a capable choice for boaters who want a single transducer to handle both shallow nearshore and deeper offshore work. Running at 600W across 50 kHz and 200 kHz, it reaches depths up to 1,200 feet with wide or narrow beam options depending on frequency. Note: pairing with a 6-pin Garmin sounder requires adapter cable part number 010-11612-00 (sold separately). Review the included installation instructions thoroughly to avoid hull damage during mounting.

Specifications:

• Part Number: 010-10192-21
• Connector: 8-pin
• Power: 600W
• Operating Frequency: 50 kHz / 200 kHz
• Depth Range: 800–1,200 ft
• Beamwidth: 45° (50 kHz) / 11° (200 kHz)
• Transom Mount Angle: 2°–20°
• Measures: Depth, Speed, and Temperature
• Housing Material: Plastic
• Mount Type: Transom

Resources:

• Owner's Manual (PDF)
• Product Brochure (PDF)

⚠️ California Prop 65 Warning: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.