diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8d6abbf..2dd5a500 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to
 ### Changed
 
 - ✨(frontend) enhance noise reduction with BBBA audio processing pipeline
+- 🚸(frontend) mute join notification sound in larger rooms
 
 ## [1.20.0] - 2026-06-12
 
diff --git a/src/backend/meet/settings.py b/src/backend/meet/settings.py
index 4f7d696a..9fa2c1a0 100755
--- a/src/backend/meet/settings.py
+++ b/src/backend/meet/settings.py
@@ -411,6 +411,9 @@ class Base(Configuration):
         "transcription_destination": values.Value(
             None, environ_name="FRONTEND_TRANSCRIPTION_DESTINATION", environ_prefix=None
         ),
+        "max_participants_for_sound": values.PositiveIntegerValue(
+            5, environ_name="FRONTEND_MAX_PARTICIPANTS_FOR_SOUND", environ_prefix=None
+        )
     }
 
     # Mail
diff --git a/src/frontend/src/api/useConfig.ts b/src/frontend/src/api/useConfig.ts
index e7c84e67..1265b59e 100644
--- a/src/frontend/src/api/useConfig.ts
+++ b/src/frontend/src/api/useConfig.ts
@@ -55,6 +55,7 @@ export interface ApiConfig {
     default_sources: Source[]
   }
   transcription_destination?: string
+  max_participants_for_sound: number
 }
 
 const fetchConfig = (): Promise<ApiConfig> => {
diff --git a/src/frontend/src/features/notifications/MainNotificationToast.tsx b/src/frontend/src/features/notifications/MainNotificationToast.tsx
index 096d70d8..b912de64 100644
--- a/src/frontend/src/features/notifications/MainNotificationToast.tsx
+++ b/src/frontend/src/features/notifications/MainNotificationToast.tsx
@@ -14,9 +14,11 @@ import { useScreenReaderAnnounce } from '@/hooks/useScreenReaderAnnounce'
 import { Emoji } from '@/features/reactions/types'
 import { useReactions } from '@/features/reactions/hooks/useReactions'
 import { NotificationProvider } from './NotificationProvider'
+import { useConfig } from '@/api/useConfig'
 
 export const MainNotificationToast = () => {
   const room = useRoomContext()
+  const { data } = useConfig()
   const { triggerNotificationSound } = useNotificationSound()
   const { t } = useTranslation('notifications')
   const announce = useScreenReaderAnnounce()
@@ -135,12 +137,21 @@ export const MainNotificationToast = () => {
     }
   }, [room, handleEmoji])
 
+  const triggerNotificationSoundIfRoomIsSmall = useCallback(
+    (type: NotificationType) => {
+      if (!data) return
+      if (room.numParticipants >= data.max_participants_for_sound) return
+      triggerNotificationSound(type)
+    },
+    [room, data, triggerNotificationSound]
+  )
+
   useEffect(() => {
     const showJoinNotification = (participant: Participant) => {
       if (isMobileBrowser()) {
         return
       }
-      triggerNotificationSound(NotificationType.ParticipantJoined)
+      triggerNotificationSoundIfRoomIsSmall(NotificationType.ParticipantJoined)
       toastQueue.add(
         {
           participant,
@@ -155,7 +166,7 @@ export const MainNotificationToast = () => {
     return () => {
       room.off(RoomEvent.ParticipantConnected, showJoinNotification)
     }
-  }, [room, triggerNotificationSound])
+  }, [room, triggerNotificationSoundIfRoomIsSmall])
 
   useEffect(() => {
     const removeParticipantNotifications = (participant: Participant) => {