diff --git a/SafeExamBrowser.Contracts/I18n/TextKey.cs b/SafeExamBrowser.Contracts/I18n/TextKey.cs
index abd23e2c..eeb9d86f 100644
--- a/SafeExamBrowser.Contracts/I18n/TextKey.cs
+++ b/SafeExamBrowser.Contracts/I18n/TextKey.cs
@@ -109,7 +109,9 @@ namespace SafeExamBrowser.Contracts.I18n
 		Shell_QuitButton,
 		SystemControl_AudioDeviceInfo,
 		SystemControl_AudioDeviceInfoMuted,
+		SystemControl_AudioDeviceMuteTooltip,
 		SystemControl_AudioDeviceNotFound,
+		SystemControl_AudioDeviceUnmuteTooltip,
 		SystemControl_BatteryCharged,
 		SystemControl_BatteryCharging,
 		SystemControl_BatteryChargeCriticalWarning,
diff --git a/SafeExamBrowser.Contracts/SafeExamBrowser.Contracts.csproj b/SafeExamBrowser.Contracts/SafeExamBrowser.Contracts.csproj
index dae5766e..993cd2c1 100644
--- a/SafeExamBrowser.Contracts/SafeExamBrowser.Contracts.csproj
+++ b/SafeExamBrowser.Contracts/SafeExamBrowser.Contracts.csproj
@@ -208,6 +208,8 @@
     <Compile Include="UserInterface\IProgressIndicator.cs" />
     <Compile Include="UserInterface\Shell\Events\ActivatorEventHandler.cs" />
     <Compile Include="UserInterface\Shell\Events\ApplicationControlClickedEventHandler.cs" />
+    <Compile Include="UserInterface\Shell\Events\AudioMuteRequestedEventHandler.cs" />
+    <Compile Include="UserInterface\Shell\Events\AudioVolumeSelectedEventHandler.cs" />
     <Compile Include="UserInterface\Shell\Events\KeyboardLayoutSelectedEventHandler.cs" />
     <Compile Include="UserInterface\Shell\Events\NotificationControlClickedEventHandler.cs" />
     <Compile Include="UserInterface\Shell\IActionCenter.cs" />
diff --git a/SafeExamBrowser.Contracts/UserInterface/Shell/Events/AudioMuteRequestedEventHandler.cs b/SafeExamBrowser.Contracts/UserInterface/Shell/Events/AudioMuteRequestedEventHandler.cs
new file mode 100644
index 00000000..36e18f8a
--- /dev/null
+++ b/SafeExamBrowser.Contracts/UserInterface/Shell/Events/AudioMuteRequestedEventHandler.cs
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2019 ETH Zürich, Educational Development and Technology (LET)
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+namespace SafeExamBrowser.Contracts.UserInterface.Shell.Events
+{
+	/// <summary>
+	/// Indicates that the user would like to change the audio mute status to the given value.
+	/// </summary>
+	public delegate void AudioMuteRequestedEventHandler(bool mute);
+}
diff --git a/SafeExamBrowser.Contracts/UserInterface/Shell/Events/AudioVolumeSelectedEventHandler.cs b/SafeExamBrowser.Contracts/UserInterface/Shell/Events/AudioVolumeSelectedEventHandler.cs
new file mode 100644
index 00000000..ae0a88dc
--- /dev/null
+++ b/SafeExamBrowser.Contracts/UserInterface/Shell/Events/AudioVolumeSelectedEventHandler.cs
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2019 ETH Zürich, Educational Development and Technology (LET)
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+namespace SafeExamBrowser.Contracts.UserInterface.Shell.Events
+{
+	/// <summary>
+	/// Indicates that the user would like to set the audio volume to the given value, where <c>0.0</c> is the lowest and <c>1.0</c> the highest
+	/// possible value.
+	/// </summary>
+	public delegate void AudioVolumeSelectedEventHandler(double volume);
+}
diff --git a/SafeExamBrowser.Contracts/UserInterface/Shell/ISystemAudioControl.cs b/SafeExamBrowser.Contracts/UserInterface/Shell/ISystemAudioControl.cs
index f78b11ed..0ee4f2a9 100644
--- a/SafeExamBrowser.Contracts/UserInterface/Shell/ISystemAudioControl.cs
+++ b/SafeExamBrowser.Contracts/UserInterface/Shell/ISystemAudioControl.cs
@@ -6,6 +6,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+using SafeExamBrowser.Contracts.UserInterface.Shell.Events;
+
 namespace SafeExamBrowser.Contracts.UserInterface.Shell
 {
 	/// <summary>
@@ -32,5 +34,15 @@ namespace SafeExamBrowser.Contracts.UserInterface.Shell
 		/// Shows the current audio output volume, where <c>0.0</c> is the lowest and <c>1.0</c> the highest possible value.
 		/// </summary>
 		double OutputDeviceVolume { set; }
+
+		/// <summary>
+		/// Event fired when the user requests to mute the current output device.
+		/// </summary>
+		event AudioMuteRequestedEventHandler MuteRequested;
+
+		/// <summary>
+		/// Event fired when the user requests to set the volume of the current output device.
+		/// </summary>
+		event AudioVolumeSelectedEventHandler VolumeSelected;
 	}
 }
diff --git a/SafeExamBrowser.I18n/Text.xml b/SafeExamBrowser.I18n/Text.xml
index 9445d13e..77795678 100644
--- a/SafeExamBrowser.I18n/Text.xml
+++ b/SafeExamBrowser.I18n/Text.xml
@@ -285,9 +285,15 @@
     <Entry key="SystemControl_AudioDeviceInfoMuted">
         %%NAME%%: Muted
     </Entry>
+    <Entry key="SystemControl_AudioDeviceMuteTooltip">
+        Click to mute audio
+    </Entry>
     <Entry key="SystemControl_AudioDeviceNotFound">
         No audio device found
     </Entry>
+    <Entry key="SystemControl_AudioDeviceUnmuteTooltip">
+        Click to unmute audio
+    </Entry>
     <Entry key="SystemControl_BatteryCharging">
         Plugged in, charging... (%%CHARGE%%%)
     </Entry>
diff --git a/SafeExamBrowser.SystemComponents/Audio.cs b/SafeExamBrowser.SystemComponents/Audio.cs
index 93b78114..889d2c6f 100644
--- a/SafeExamBrowser.SystemComponents/Audio.cs
+++ b/SafeExamBrowser.SystemComponents/Audio.cs
@@ -49,6 +49,9 @@ namespace SafeExamBrowser.SystemComponents
 
 		public void Register(ISystemAudioControl control)
 		{
+			control.MuteRequested += Control_MuteRequested;
+			control.VolumeSelected += Control_VolumeSelected;
+
 			lock (@lock)
 			{
 				controls.Add(control);
@@ -108,6 +111,8 @@ namespace SafeExamBrowser.SystemComponents
 			{
 				var info = BuildInfoText(data.MasterVolume, data.Muted);
 
+				logger.Debug($"Detected audio device change: Volume {data.MasterVolume * 100}, {(data.Muted ? "muted" : "unmuted")}");
+
 				foreach (var control in controls)
 				{
 					control.OutputDeviceMuted = data.Muted;
@@ -117,6 +122,16 @@ namespace SafeExamBrowser.SystemComponents
 			}
 		}
 
+		private void Control_MuteRequested(bool mute)
+		{
+			audioDevice.AudioEndpointVolume.Mute = mute;
+		}
+
+		private void Control_VolumeSelected(double volume)
+		{
+			audioDevice.AudioEndpointVolume.MasterVolumeLevelScalar = (float) volume;
+		}
+
 		private void UpdateControls()
 		{
 			lock (@lock)
@@ -154,7 +169,7 @@ namespace SafeExamBrowser.SystemComponents
 			var info = text.Get(muted ? TextKey.SystemControl_AudioDeviceInfoMuted : TextKey.SystemControl_AudioDeviceInfo);
 
 			info = info.Replace("%%NAME%%", audioDeviceShortName);
-			info = info.Replace("%%VOLUME%%", Convert.ToString(volume * 100));
+			info = info.Replace("%%VOLUME%%", Convert.ToString(Math.Round(volume * 100)));
 
 			return info;
 		}
diff --git a/SafeExamBrowser.UserInterface.Desktop/Controls/TaskbarAudioControl.xaml b/SafeExamBrowser.UserInterface.Desktop/Controls/TaskbarAudioControl.xaml
index 505b3356..ae299a64 100644
--- a/SafeExamBrowser.UserInterface.Desktop/Controls/TaskbarAudioControl.xaml
+++ b/SafeExamBrowser.UserInterface.Desktop/Controls/TaskbarAudioControl.xaml
@@ -21,11 +21,13 @@
                 <StackPanel Orientation="Vertical">
                     <TextBlock x:Name="AudioDeviceName" Margin="5" TextAlignment="Center" />
                     <StackPanel Orientation="Horizontal" Height="40">
-                        <Button x:Name="Mute" Background="Transparent" Padding="5" Template="{StaticResource TaskbarButton}" Width="40">
+                        <Button x:Name="MuteButton" Background="Transparent" Padding="5" Template="{StaticResource TaskbarButton}" Width="40">
                             <ContentControl x:Name="PopupIcon" />
                         </Button>
-                        <Slider x:Name="Volume" Grid.Column="1" Orientation="Horizontal" TickFrequency="1" IsSnapToTickEnabled="True" Maximum="100" VerticalAlignment="Center" Width="250" />
-                        <TextBlock Grid.Column="2" FontWeight="DemiBold" FontSize="16" Text="{Binding ElementName=Volume, Path=Value}" TextAlignment="Center" VerticalAlignment="Center" Width="40" />
+                        <Slider x:Name="Volume" Grid.Column="1" Orientation="Horizontal" TickFrequency="1" Maximum="100" IsSnapToTickEnabled="True"
+                                IsMoveToPointEnabled="True" VerticalAlignment="Center" Width="250" Thumb.DragStarted="Volume_DragStarted" Thumb.DragCompleted="Volume_DragCompleted" />
+                        <TextBlock Grid.Column="2" FontWeight="DemiBold" FontSize="16" Text="{Binding ElementName=Volume, Path=Value}"
+                                   TextAlignment="Center" VerticalAlignment="Center" Width="40" />
                     </StackPanel>
                 </StackPanel>
             </Border>
diff --git a/SafeExamBrowser.UserInterface.Desktop/Controls/TaskbarAudioControl.xaml.cs b/SafeExamBrowser.UserInterface.Desktop/Controls/TaskbarAudioControl.xaml.cs
index 3f036f42..0c944b9b 100644
--- a/SafeExamBrowser.UserInterface.Desktop/Controls/TaskbarAudioControl.xaml.cs
+++ b/SafeExamBrowser.UserInterface.Desktop/Controls/TaskbarAudioControl.xaml.cs
@@ -10,20 +10,29 @@ using System;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
 using System.Windows.Media;
+using SafeExamBrowser.Contracts.I18n;
 using SafeExamBrowser.Contracts.UserInterface.Shell;
+using SafeExamBrowser.Contracts.UserInterface.Shell.Events;
 using SafeExamBrowser.UserInterface.Shared.Utilities;
 
 namespace SafeExamBrowser.UserInterface.Desktop.Controls
 {
 	public partial class TaskbarAudioControl : UserControl, ISystemAudioControl
 	{
+		private readonly IText text;
 		private bool muted;
 		private XamlIconResource MutedIcon;
 		private XamlIconResource NoDeviceIcon;
 
-		public TaskbarAudioControl()
+		public event AudioMuteRequestedEventHandler MuteRequested;
+		public event AudioVolumeSelectedEventHandler VolumeSelected;
+
+		public TaskbarAudioControl(IText text)
 		{
+			this.text = text;
+
 			InitializeComponent();
 			InitializeAudioControl();
 		}
@@ -54,11 +63,13 @@ namespace SafeExamBrowser.UserInterface.Desktop.Controls
 
 					if (value)
 					{
+						MuteButton.ToolTip = text.Get(TextKey.SystemControl_AudioDeviceUnmuteTooltip);
 						PopupIcon.Content = IconResourceLoader.Load(MutedIcon);
 						TaskbarIcon.Content = IconResourceLoader.Load(MutedIcon);
 					}
 					else
 					{
+						MuteButton.ToolTip = text.Get(TextKey.SystemControl_AudioDeviceMuteTooltip);
 						TaskbarIcon.Content = LoadIcon(Volume.Value / 100);
 					}
 				});
@@ -79,7 +90,9 @@ namespace SafeExamBrowser.UserInterface.Desktop.Controls
 			{
 				Dispatcher.InvokeAsync(() =>
 				{
+					Volume.ValueChanged -= Volume_ValueChanged;
 					Volume.Value = Math.Round(value * 100);
+					Volume.ValueChanged += Volume_ValueChanged;
 
 					if (!muted)
 					{
@@ -106,9 +119,11 @@ namespace SafeExamBrowser.UserInterface.Desktop.Controls
 
 			Button.Click += (o, args) => Popup.IsOpen = !Popup.IsOpen;
 			Button.MouseLeave += (o, args) => Task.Delay(250).ContinueWith(_ => Dispatcher.Invoke(() => Popup.IsOpen = Popup.IsMouseOver));
+			MuteButton.Click += (o, args) => MuteRequested?.Invoke(!muted);
 			MutedIcon = new XamlIconResource(new Uri("pack://application:,,,/SafeExamBrowser.UserInterface.Desktop;component/Images/AudioMuted.xaml"));
 			NoDeviceIcon = new XamlIconResource(new Uri("pack://application:,,,/SafeExamBrowser.UserInterface.Desktop;component/Images/AudioNoDevice.xaml"));
 			Popup.MouseLeave += (o, args) => Task.Delay(250).ContinueWith(_ => Dispatcher.Invoke(() => Popup.IsOpen = IsMouseOver));
+			Volume.ValueChanged += Volume_ValueChanged;
 
 			Popup.Opened += (o, args) =>
 			{
@@ -123,6 +138,22 @@ namespace SafeExamBrowser.UserInterface.Desktop.Controls
 			};
 		}
 
+		private void Volume_DragStarted(object sender, DragStartedEventArgs e)
+		{
+			Volume.ValueChanged -= Volume_ValueChanged;
+		}
+
+		private void Volume_DragCompleted(object sender, DragCompletedEventArgs e)
+		{
+			VolumeSelected?.Invoke(Volume.Value / 100);
+			Volume.ValueChanged += Volume_ValueChanged;
+		}
+
+		private void Volume_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
+		{
+			VolumeSelected?.Invoke(Volume.Value / 100);
+		}
+
 		private UIElement LoadIcon(double volume)
 		{
 			var icon = volume > 0.66 ? "100" : (volume > 0.33 ? "66" : "33");
diff --git a/SafeExamBrowser.UserInterface.Desktop/UserInterfaceFactory.cs b/SafeExamBrowser.UserInterface.Desktop/UserInterfaceFactory.cs
index 5632742f..394253a3 100644
--- a/SafeExamBrowser.UserInterface.Desktop/UserInterfaceFactory.cs
+++ b/SafeExamBrowser.UserInterface.Desktop/UserInterfaceFactory.cs
@@ -61,7 +61,7 @@ namespace SafeExamBrowser.UserInterface.Desktop
 			//}
 			//else
 			{
-				return new TaskbarAudioControl();
+				return new TaskbarAudioControl(text);
 			}
 		}