2025 Garmin Marine GSD 28 Sonar Module Base

Information

2025 Garmin Marine GSD 28 Sonar Module

THE DEPTHS. REVEALED.

See what’s down there. Catch what’s down there. Take your sport fishing to extreme depths with a high-powered sonar module with the features you need to improve your chances for success.

Features may include:
  • Engineered For Offshore Sport Fishing
  • See Sonar Faster With Garmin Rapidreturn™ Technology
  • Crisp And Clear Fish Targets With Xchirp Technology
  • Excellent Target Separation With Xchirp Technology1
  • Greatly Reduce Wave And Swell From Bottom Returns With Heave Compensation2

Photos

Highlights

  • Grand Island, Nebraska
  • 2025
  • Garmin Marine
  • GSD 28 Sonar Module Base
  • Available

Specifications

  • 2025
  • Garmin Marine
  • GSD 28 Sonar Module
  • Base
  • Miscellaneous
  • Physical: 10.7" × 14.4" × 4.0" (27.06 cm × 36.66 cm × 10.1 cm)
  • 10,000 ft (3,048 m)
  • 14.13 lbs (6.4 kg)
  • Power input: 10-32 V | Power usage: 120 W maximum | Fuse: 15A
  • From 5° F to 158° F (from -15° C to 70° C)
  • Water rating: IPX7