diff --git a/UI/Window/RenderConfigWindow.cs b/UI/Window/RenderConfigWindow.cs
index 4971b11..f2709fe 100644
--- a/UI/Window/RenderConfigWindow.cs
+++ b/UI/Window/RenderConfigWindow.cs
@@ -611,8 +611,11 @@ internal static class RenderConfigWindow
             value: config.AudioConfig.RenderAudio,
             toggleTextKey: "ui.render_config.render_audio",
             id: "toggle_render_audio",
-            onChanged: val => { config.AudioConfig.RenderAudio = val; MarkConfigModified(); },
-            generateLabel: false
+            onChanged: val => { 
+                config.AudioConfig.RenderAudio = val; 
+                UpdateUIBlock(config);
+                MarkConfigModified(); 
+            }, generateLabel: false
         );
         
         // Audio bitrate: the slider shows kbps (64..384), the config stores bits per second (kbps * 1000)
@@ -2102,7 +2105,7 @@ internal static class RenderConfigWindow
         var blockQPInput = config.VideoConfig.RateControlMode is RateControlMode.CBR or RateControlMode.VBR;
         var blockForceSoftwareToggle = false;
         var blockKeyframeIntervalSlider = false;
-
+        
         var blockVideoEncodingSettings = config.OutputMode is RenderConfig.RenderOutputMode.PNGSequence;
         blockCodecDropdown |= blockVideoEncodingSettings;
         blockRateControlModeDropdown |= blockVideoEncodingSettings;
@@ -2111,6 +2114,10 @@ internal static class RenderConfigWindow
         blockQPInput |= blockVideoEncodingSettings;
         blockForceSoftwareToggle |= blockVideoEncodingSettings;
         blockKeyframeIntervalSlider |= blockVideoEncodingSettings;
+
+        var blockAudioBitrateSlider = !config.AudioConfig.RenderAudio;
+        var blockChannelsDropdown = !config.AudioConfig.RenderAudio;
+        var blockSampleRateDropdown = !config.AudioConfig.RenderAudio;
         
         SetDropdownBlocked(_codecDropdown, blockCodecDropdown, noAnimate);
         SetDropdownBlocked(_rateControlDropdown, blockRateControlModeDropdown, noAnimate);
@@ -2119,6 +2126,10 @@ internal static class RenderConfigWindow
         SetFieldBlocked(_qpInput, blockQPInput, noAnimate);
         SetToggleBlocked(_forceSoftwareToggle, blockForceSoftwareToggle, noAnimate);
         _keyframeIntervalSlider?.SetBlocked(blockKeyframeIntervalSlider, noAnimate);
+        
+        _audioBitrateSlider?.SetBlocked(blockAudioBitrateSlider, noAnimate);
+        SetDropdownBlocked(_channelsDropdown, blockChannelsDropdown, noAnimate);
+        SetDropdownBlocked(_sampleRateDropdown, blockSampleRateDropdown, noAnimate);
     }
 
     // ===================================================================================================