Garmin Cortex VHF and AIS Cortex Hub Installation Guide - Page 18

EN External Loudspeaker A loudspeaker can be connected to the Cortex Hub for use with Cortex Horn and Hailer functions. Loudspeaker Mode can be operated from a Cortex Handset (H1 Tethered or H1P Portable) or the Cortex Onboard App. The Loudspeaker port can output up to 30W into a 4ohm load. Setting Loudspeaker Volume Loudspeaker volume will default to Mute. To set the desired volume, use a Cortex Handset of the Cortex Onboard App. Setting Loudspeaker Tone You can also set the pitch the horn will use between 200-500Hz from the Horn and Hailer settings. Audio Cable Wiring Code Orange - Audio Speaker Positive (+) Black - Audio Speaker Negative (-) Red - Loudspeaker Positive (+) Brown - Loudspeaker Negative (-) External Speaker Wiring Diagram PEAKER (+) PEAKER (-) 18 ORANGE BLACK RED BROWN AUDIO SPEAKER (+) AUDIO SPEAKER (-) LOUDSPEAKER (+) LOUDSPEAKER (-) External Loudspeaker