Garmin GSD™ 24 Digital Black Box Network Sounder

Garmin GSD 24 Digital Black Box Network Sounder delivers a high-definition digital sonar image for deep-water performance and precise target definition. Built for Garmin chartplotter users, it plugs into the Garmin Marine Network for fast updates and seamless data sharing across compatible devices.

• Transmit power and depth range: Selectable transmit power of 600 W, 1 kW, or 2 kW (depending on transducer) with up to 2,000 W total transmit power, enabling pin-point accuracy to depths of 5,000 ft (1,500 m).
• Dual-frequency imaging: Discrete 50 kHz and 200 kHz options for precise bottom detail and target definition.
• High-dynamic range receiver: Delivers high-definition imaging and enhanced image separation for clearer pictures of bottom structure and targets.
• Connectivity: Plug-and-Play Garmin Marine Network for easy connectivity and seamless data sharing across compatible chartplotters with ultra-fast screen updates and minimal delay.
• Rugged design: IPX7 waterproof build for reliable operation in demanding marine environments.
• Depth capability: Suitable for depths up to 5,000 ft (1,500 m).
• Upgrade path: Upgrade path from current GSD 22 models with the included adapter; -V models may see improved performance after upgrading.
• Physical specs: Dimensions 10.85" L × 8.03" W × 3.22" H; Weight 4.22 lbs (1.9 kg).
• Compatibility: Compatible with GPSMAP 4000, 5000, 6000, 7000, and 8000 series chartplotters.
• Use cases: Ideal for sportfishing or monitoring hazardous terrain and reef structures, with enhanced image separation and deeper bottom detection.

The GSD 24 helps you see more clearly, making it easier to locate fish, map structure, and avoid underwater hazards. Its modular, networked design means faster updates across your Garmin chartplotter ecosystem, while selectable power levels let you tailor performance to the depth and water conditions you’re facing. Built to endure demanding marine environments, this sounder is a reliable upgrade for serious anglers and professional crews alike.