Raymarine Passive Speakerfor Ray90/91Model: A80542Wireless Hub with 5-meter interconnect cableMounting hardwareInstallation guide and documentation kitAdd a passive speaker to your wired handset...
30 Watt 4Ohm speaker horn. Use this with any standard radio that has a built in hailer 20watts or less in power. If the hailer has listen feature this 4 Omh speaker will perform the listen feature.
Standard Horizon VLH3000A 30 Watt Loud Hailer Model: VLH3000A 30W PA/Hailer output with Listen Back Dual Zone - Forward, Aft or Both 6 Preprogrammed Fog Signals: Underway, Stop, Sail, Tow, Anchor...