diff --git a/mobile/android/app/mobile.js b/mobile/android/app/mobile.js
index 6694533397b1..b02955ce0d8b 100644
--- a/mobile/android/app/mobile.js
+++ b/mobile/android/app/mobile.js
@@ -786,7 +786,13 @@ pref("identity.fxaccounts.remote.oauth.uri", "https://oauth.accounts.firefox.com
 // Token server used by Firefox Account-authenticated Sync.
 pref("identity.sync.tokenserver.uri", "https://token.services.mozilla.com/1.0/sync/1.5");
 
+#ifdef NIGHTLY_BUILD
+// Use new audio focus management, "media.audioFocus.management".
+pref("dom.audiochannel.audioCompeting", false);
+#else
 pref("dom.audiochannel.audioCompeting", true);
+#endif
+
 pref("dom.audiochannel.mediaControl", true);
 pref("media.block-autoplay-until-in-foreground", false);
 
diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
index af741b2f3c4c..6bf3028f7a4b 100644
--- a/modules/libpref/init/StaticPrefList.yaml
+++ b/modules/libpref/init/StaticPrefList.yaml
@@ -6131,7 +6131,11 @@
 
 - name: media.audioFocus.management
   type: bool
+#if defined(MOZ_WIDGET_ANDROID) && defined(NIGHTLY_BUILD)
+  value: true
+#else
   value: false
+#endif
   mirror: always
 
 - name: media.hardwaremediakeys.enabled