diff --git a/src/core/hle/service/audio/audio_controller.cpp b/src/core/hle/service/audio/audio_controller.cpp
index 7a51d1023..f2ebeaf68 100644
--- a/src/core/hle/service/audio/audio_controller.cpp
+++ b/src/core/hle/service/audio/audio_controller.cpp
@@ -57,6 +57,7 @@ IAudioController::IAudioController(Core::System& system_)
         {40, nullptr, "GetSystemInformationForDebug"},
         {41, nullptr, "SetVolumeButtonLongPressTime"},
         {42, nullptr, "SetNativeVolumeForDebug"},
+        {5000, D<&IAudioController::Unknown5000>, "Unknown5000"},
         {10000, nullptr, "NotifyAudioOutputTargetForPlayReport"},
         {10001, nullptr, "NotifyAudioOutputChannelCountForPlayReport"},
         {10002, nullptr, "NotifyUnsupportedUsbOutputDeviceAttachedForPlayReport"},
@@ -68,6 +69,9 @@ IAudioController::IAudioController(Core::System& system_)
         {10105, nullptr, "BindAudioOutputChannelCountUpdateEventForPlayReport"},
         {10106, nullptr, "GetDefaultAudioOutputTargetForPlayReport"},
         {50000, nullptr, "SetAnalogInputBoostGainForPrototyping"},
+        {50001, nullptr, "OverrideDefaultTargetForDebug"},
+        {50003, nullptr, "SetForceOverrideExternalDeviceNameForDebug"},
+        {50004, nullptr, "ClearForceOverrideExternalDeviceNameForDebug"}
     };
     // clang-format on
 
@@ -176,4 +180,13 @@ Result IAudioController::AcquireTargetNotification(
     R_SUCCEED();
 }
 
+Result IAudioController::Unknown5000(Out<SharedPointer<IAudioController>> out_audio_controller) {
+    LOG_DEBUG(Audio, "Creating duplicate audio controller interface");
+
+    // Return a new reference to this controller instance
+    *out_audio_controller = SharedFrom(this);
+
+    R_SUCCEED();
+}
+
 } // namespace Service::Audio
diff --git a/src/core/hle/service/audio/audio_controller.h b/src/core/hle/service/audio/audio_controller.h
index d37c4843e..b7645332e 100644
--- a/src/core/hle/service/audio/audio_controller.h
+++ b/src/core/hle/service/audio/audio_controller.h
@@ -49,6 +49,7 @@ private:
     Result SetSpeakerAutoMuteEnabled(bool is_speaker_auto_mute_enabled);
     Result IsSpeakerAutoMuteEnabled(Out<bool> out_is_speaker_auto_mute_enabled);
     Result AcquireTargetNotification(OutCopyHandle<Kernel::KReadableEvent> out_notification_event);
+    Result Unknown5000(Out<SharedPointer<IAudioController>> out_audio_controller);
 
     KernelHelpers::ServiceContext service_context;