840 to X4 Upgrade Pack
Upgrade your old Fish Hawk 840 Thermo Troll to a new X4 System. Kit includes the X4 Display and X4 Probe. The Fish Hawk X4 offers 4x the performance and uses the same transducer and power cord as the 840 – meaning you don’t need to re-wire anything on the boat, the X4 plugs right in!
- Includes X4 LCD and Probe. Also includes mounting gimbal for LCD
- Plugs in to 840 transducer and powercord