diff --git a/src/BizHawk.Client.Common/HostCapabilityDetector.cs b/src/BizHawk.Client.Common/HostCapabilityDetector.cs
new file mode 100644
index 0000000000..b7f97e7600
--- /dev/null
+++ b/src/BizHawk.Client.Common/HostCapabilityDetector.cs
@@ -0,0 +1,22 @@
+using System;
+
+using BizHawk.Common;
+
+namespace BizHawk.Client.Common
+{
+	public static class HostCapabilityDetector
+	{
+		private static bool? _hasDirectX = null;
+
+		public static bool HasDirectX => _hasDirectX ??= DetectDirectX();
+
+		private static bool DetectDirectX()
+		{
+			if (OSTailoredCode.IsUnixHost) return false;
+			var p = OSTailoredCode.LinkedLibManager.LoadOrZero("d3dx9_43.dll");
+			if (p == IntPtr.Zero) return false;
+			OSTailoredCode.LinkedLibManager.FreeByPtr(p);
+			return true;
+		}
+	}
+}
diff --git a/src/BizHawk.Client.Common/config/Config.cs b/src/BizHawk.Client.Common/config/Config.cs
index 5cc794b8e3..1c0830e0a6 100644
--- a/src/BizHawk.Client.Common/config/Config.cs
+++ b/src/BizHawk.Client.Common/config/Config.cs
@@ -211,16 +211,7 @@ namespace BizHawk.Client.Common
 
 		public int DispPrescale { get; set; } = 1;
 
-		private static bool DetectDirectX()
-		{
-			if (OSTailoredCode.IsUnixHost) return false;
-			var p = OSTailoredCode.LinkedLibManager.LoadOrZero("d3dx9_43.dll");
-			if (p == IntPtr.Zero) return false;
-			OSTailoredCode.LinkedLibManager.FreeByPtr(p);
-			return true;
-		}
-
-		public EDispMethod DispMethod { get; set; } = DetectDirectX() ? EDispMethod.SlimDX9 : EDispMethod.OpenGL;
+		public EDispMethod DispMethod { get; set; } = HostCapabilityDetector.HasDirectX ? EDispMethod.SlimDX9 : EDispMethod.OpenGL;
 
 		public int DispChromeFrameWindowed { get; set; } = 2;
 		public bool DispChromeStatusBarWindowed { get; set; } = true;
@@ -248,7 +239,7 @@ namespace BizHawk.Client.Common
 		public int DispCropBottom { get; set; } = 0;
 
 		// Sound options
-		public ESoundOutputMethod SoundOutputMethod { get; set; } = DetectDirectX() ? ESoundOutputMethod.DirectSound : ESoundOutputMethod.OpenAL;
+		public ESoundOutputMethod SoundOutputMethod { get; set; } = HostCapabilityDetector.HasDirectX ? ESoundOutputMethod.DirectSound : ESoundOutputMethod.OpenAL;
 		public bool SoundEnabled { get; set; } = true;
 		public bool SoundEnabledNormal { get; set; } = true;
 		public bool SoundEnabledRWFF { get; set; } = true;
@@ -345,7 +336,7 @@ namespace BizHawk.Client.Common
 		// ReSharper disable once UnusedMember.Global
 		public string LastWrittenFromDetailed { get; set; } = VersionInfo.GetEmuVersion();
 
-		public EHostInputMethod HostInputMethod { get; set; } = OSTailoredCode.IsUnixHost ? EHostInputMethod.OpenTK : EHostInputMethod.DirectInput;
+		public EHostInputMethod HostInputMethod { get; set; } = HostCapabilityDetector.HasDirectX ? EHostInputMethod.DirectInput : EHostInputMethod.OpenTK;
 
 		public bool UseStaticWindowTitles { get; set; }
 	}
diff --git a/src/BizHawk.Client.EmuHawk/config/DisplayConfig.cs b/src/BizHawk.Client.EmuHawk/config/DisplayConfig.cs
index 8e45c3c86b..0d3f377175 100644
--- a/src/BizHawk.Client.EmuHawk/config/DisplayConfig.cs
+++ b/src/BizHawk.Client.EmuHawk/config/DisplayConfig.cs
@@ -94,9 +94,8 @@ namespace BizHawk.Client.EmuHawk
 
 			RefreshAspectRatioOptions();
 
-			if (OSTailoredCode.IsUnixHost)
+			if (!HostCapabilityDetector.HasDirectX)
 			{
-				// Disable SlimDX on Unix
 				rbD3D9.Enabled = false;
 				rbD3D9.AutoCheck = false;
 				cbAlternateVsync.Enabled = false;
diff --git a/src/BizHawk.Client.EmuHawk/config/EmuHawkOptions.cs b/src/BizHawk.Client.EmuHawk/config/EmuHawkOptions.cs
index 2a3ee7f7d8..a6c70e3a46 100644
--- a/src/BizHawk.Client.EmuHawk/config/EmuHawkOptions.cs
+++ b/src/BizHawk.Client.EmuHawk/config/EmuHawkOptions.cs
@@ -61,6 +61,8 @@ namespace BizHawk.Client.EmuHawk
 
 		private void GuiOptions_Load(object sender, EventArgs e)
 		{
+			rbInputMethodDirectInput.Enabled = HostCapabilityDetector.HasDirectX;
+
 			StartFullScreenCheckbox.Checked = _config.StartFullscreen;
 			StartPausedCheckbox.Checked = _config.StartPaused;
 			PauseWhenMenuActivatedCheckbox.Checked = _config.PauseWhenMenuActivated;
diff --git a/src/BizHawk.Client.EmuHawk/config/SoundConfig.cs b/src/BizHawk.Client.EmuHawk/config/SoundConfig.cs
index 25775aa6c6..d2193a7840 100644
--- a/src/BizHawk.Client.EmuHawk/config/SoundConfig.cs
+++ b/src/BizHawk.Client.EmuHawk/config/SoundConfig.cs
@@ -36,12 +36,7 @@ namespace BizHawk.Client.EmuHawk
 			cbEnableRWFF.Checked = _config.SoundEnabledRWFF;
 			cbMuteFrameAdvance.Checked = _config.MuteFrameAdvance;
 
-			if (OSTailoredCode.IsUnixHost)
-			{
-				// Disable DirectSound and XAudio2 on Mono
-				rbOutputMethodDirectSound.Enabled = false;
-				rbOutputMethodXAudio2.Enabled = false;
-			}
+			rbOutputMethodDirectSound.Enabled = rbOutputMethodXAudio2.Enabled = HostCapabilityDetector.HasDirectX;
 
 			rbOutputMethodDirectSound.Checked = _config.SoundOutputMethod == ESoundOutputMethod.DirectSound;
 			rbOutputMethodXAudio2.Checked = _config.SoundOutputMethod == ESoundOutputMethod.XAudio2;