S-140:

The S-Cable reduces the output power of the Vexilar sonar by 50% to allow clear readings in extremely shallow water. It helps reduce clutter from debris in weedy conditions too. Installation is as simple as plugging it into your transducer jack, then plugging your transducer into the other end of the S-Cable.

• Reduce output power for improved shallow water depth readings
• Compatible with all Vexilar depth finders.
• Hand built in the USA

• Output power reduction: ~50%
• 6 inch length