Polk Audio NMEA 2000 Compatibility Kit [NMEA2K1] Brand_Polk Audio then users will need this

then users will need this extension cable

Image flip and invert functions for ball-up/ball-down installation and reverse video

Keyboard for TZTL12F

Kit of four shims

Standard 2” thru hull size/diameter

Polk Audio NMEA 2000 Compatibility Kit [NMEA2K1] Brand_Polk Audio then users will need thisNMEA 2000 Compatibility Kit This NMEA 2000 Kit allows Polk's Ultra Marine Certified P1 and PA4A to be seamlessly added to your boat's onboard NMEA 2000 network, enabling control and two way communication from your boat's Garmin and Raymarine Chartplotter Fish Finder Multi Function Display (MFD) device. Control functions include source selection, playback functions, volume up down and more. Two way communication between the Polk P1 and PA4A and your