Humminbird MHX-HS TM Mounting Hardware Boat Sonar The gauze is impregnated with

The gauze is impregnated with kaolin

Over-The-Air Software Updates  Over-the-air software updates available from your smartphone or compatible device via the free Fusion-Link app

so the equivalent sound energy transmitted into the water is 10 to 1

4 speaker connections (2 zones amplified)

Same as the Style 5215 but comes with 60' RG-8/X low-loss cable and PL-259 connectors

Humminbird MHX-HS TM Mounting Hardware Boat Sonar The gauze is impregnated withMHX HS Transom Transducer Hardware 740011 1 Features: Durable Construction for Lasting Use Impact Release Mounting Bracket Lets you repair or replace your existing trolling motor transom mounting bracket Includes high speed mounting hardware and product manual