diff --git a/Source/Core/AudioCommon/AudioCommon.cpp b/Source/Core/AudioCommon/AudioCommon.cpp
index dd0b31b916..642051f166 100644
--- a/Source/Core/AudioCommon/AudioCommon.cpp
+++ b/Source/Core/AudioCommon/AudioCommon.cpp
@@ -117,6 +117,30 @@ std::vector<std::string> GetSoundBackends()
   return backends;
 }
 
+bool SupportsDPL2Decoder(const std::string& backend)
+{
+#ifndef __APPLE__
+  if (backend == BACKEND_OPENAL)
+    return true;
+#endif
+  if (backend == BACKEND_PULSEAUDIO)
+    return true;
+  return false;
+}
+
+bool SupportsLatencyControl(const std::string& backend)
+{
+  return backend == BACKEND_OPENAL;
+}
+
+bool SupportsVolumeChanges(const std::string& backend)
+{
+  // FIXME: this one should ask the backend whether it supports it.
+  //       but getting the backend from string etc. is probably
+  //       too much just to enable/disable a stupid slider...
+  return backend == BACKEND_COREAUDIO || backend == BACKEND_OPENAL || backend == BACKEND_XAUDIO2;
+}
+
 void UpdateSoundStream()
 {
   if (g_sound_stream)
diff --git a/Source/Core/AudioCommon/AudioCommon.h b/Source/Core/AudioCommon/AudioCommon.h
index 9b70a3ce4b..1d6bf5fc56 100644
--- a/Source/Core/AudioCommon/AudioCommon.h
+++ b/Source/Core/AudioCommon/AudioCommon.h
@@ -18,6 +18,9 @@ namespace AudioCommon
 void InitSoundStream();
 void ShutdownSoundStream();
 std::vector<std::string> GetSoundBackends();
+bool SupportsDPL2Decoder(const std::string& backend);
+bool SupportsLatencyControl(const std::string& backend);
+bool SupportsVolumeChanges(const std::string& backend);
 void UpdateSoundStream();
 void ClearAudioBuffer(bool mute);
 void SendAIBuffer(const short* samples, unsigned int num_samples);
diff --git a/Source/Core/DolphinWX/Config/AudioConfigPane.cpp b/Source/Core/DolphinWX/Config/AudioConfigPane.cpp
index bd626e437c..ceb344cf0c 100644
--- a/Source/Core/DolphinWX/Config/AudioConfigPane.cpp
+++ b/Source/Core/DolphinWX/Config/AudioConfigPane.cpp
@@ -55,14 +55,9 @@ void AudioConfigPane::InitializeGUI()
   m_audio_backend_choice->SetToolTip(
       _("Changing this will have no effect while the emulator is running."));
   m_audio_latency_spinctrl->SetToolTip(_(
-      "Sets the latency (in ms). Higher values may reduce audio crackling. OpenAL backend only."));
-#if defined(__APPLE__)
+      "Sets the latency (in ms). Higher values may reduce audio crackling. Certain backends only."));
   m_dpl2_decoder_checkbox->SetToolTip(
-      _("Enables Dolby Pro Logic II emulation using 5.1 surround. Not available on OS X."));
-#else
-  m_dpl2_decoder_checkbox->SetToolTip(
-      _("Enables Dolby Pro Logic II emulation using 5.1 surround. OpenAL or Pulse backends only."));
-#endif
+      _("Enables Dolby Pro Logic II emulation using 5.1 surround. Certain backends only."));
 
   const int space5 = FromDIP(5);
 
@@ -133,14 +128,9 @@ void AudioConfigPane::LoadGUIValues()
 
 void AudioConfigPane::ToggleBackendSpecificControls(const std::string& backend)
 {
-  m_dpl2_decoder_checkbox->Enable(backend == BACKEND_OPENAL || backend == BACKEND_PULSEAUDIO);
-  m_audio_latency_spinctrl->Enable(backend == BACKEND_OPENAL);
-
-  // FIXME: this one should ask the backend whether it supports it.
-  //       but getting the backend from string etc. is probably
-  //       too much just to enable/disable a stupid slider...
-  m_volume_slider->Enable(backend == BACKEND_COREAUDIO || backend == BACKEND_OPENAL ||
-                          backend == BACKEND_XAUDIO2);
+  m_dpl2_decoder_checkbox->Enable(AudioCommon::SupportsDPL2Decoder(backend));
+  m_audio_latency_spinctrl->Enable(AudioCommon::SupportsLatencyControl(backend));
+  m_volume_slider->Enable(AudioCommon::SupportsVolumeChanges(backend));
 }
 
 void AudioConfigPane::RefreshGUI()