diff --git a/essentials-framework/Essentials DM/Essentials_DM/Chassis/HdPsXxxAnalogAuxMixerController.cs b/essentials-framework/Essentials DM/Essentials_DM/Chassis/HdPsXxxAnalogAuxMixerController.cs
new file mode 100644
index 00000000..3fac2cf7
--- /dev/null
+++ b/essentials-framework/Essentials DM/Essentials_DM/Chassis/HdPsXxxAnalogAuxMixerController.cs	
@@ -0,0 +1,98 @@
+using System;
+using Crestron.SimplSharpPro.DM;
+using PepperDash.Core;
+using PepperDash.Essentials.Core;
+
+namespace PepperDash_Essentials_DM.Chassis
+{
+	public class HdPsXxxAnalogAuxMixerController : IKeyed, IBasicVolumeWithFeedback
+	{
+		public string Key { get; private set; }
+
+		public HdPsXxxAnalogAuxMixer Mixer { get; set; }
+
+		public HdPsXxxAnalogAuxMixerController(string parent, uint mixer, HdPsXxx chassis)
+		{
+			Key = string.Format("{0}-analogMixer{1}", parent, mixer);
+
+			Mixer = chassis.AnalogAuxiliaryMixer[mixer];
+
+			VolumeLevelFeedback = new IntFeedback(VolumeFeedbackFunc);
+			MuteFeedback = new BoolFeedback(MuteFeedbackFunc);
+		}
+
+		#region Volume
+
+		public IntFeedback VolumeLevelFeedback { get; private set; }
+
+		protected Func<int> VolumeFeedbackFunc
+		{
+			get { return () => Mixer.VolumeFeedback.UShortValue; }
+		}
+
+		public void SetVolume(ushort level)
+		{
+			Mixer.Volume.UShortValue = level;
+		}
+
+		public void VolumeUp(bool pressRelease)
+		{
+			if (pressRelease)
+			{
+				var remainingRatio = (65535 - Mixer.Volume.UShortValue)/65535;
+				Mixer.Volume.CreateRamp(65535, 400);
+			}
+			else
+			{
+				Mixer.Volume.StopRamp();
+			}
+		}
+
+		public void VolumeDown(bool pressRelease)
+		{
+			if (pressRelease)
+			{
+				var remainingRatio = Mixer.Volume.UShortValue/65535;
+				Mixer.Volume.CreateRamp(0, (uint)(400 * remainingRatio));
+			}
+			else
+			{
+				Mixer.Volume.StopRamp();
+			}
+		}
+
+		#endregion
+
+
+		#region Mute
+
+		private bool _isMuted;
+
+		public BoolFeedback MuteFeedback { get; private set; }
+
+		protected Func<bool> MuteFeedbackFunc
+		{
+			get { return () => _isMuted = Mixer.AuxiliaryMuteControl.MuteOnFeedback.BoolValue; }
+		}
+
+		public void MuteOn()
+		{
+			Mixer.AuxiliaryMuteControl.MuteOn();
+		}
+
+		public void MuteOff()
+		{
+			Mixer.AuxiliaryMuteControl.MuteOff();
+		}
+
+		public void MuteToggle()
+		{
+			if (_isMuted)
+				MuteOff();
+			else
+				MuteOn();
+		}
+
+		#endregion
+	}
+}
\ No newline at end of file
diff --git a/essentials-framework/Essentials DM/Essentials_DM/Chassis/HdPsXxxController.cs b/essentials-framework/Essentials DM/Essentials_DM/Chassis/HdPsXxxController.cs
index 9a2a17f4..1cece4e4 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Chassis/HdPsXxxController.cs	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Chassis/HdPsXxxController.cs	
@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
-using System.Runtime.InteropServices;
 using Crestron.SimplSharpPro;
 using Crestron.SimplSharpPro.DeviceSupport;
 using Crestron.SimplSharpPro.DM;
@@ -17,11 +16,9 @@ using PepperDash_Essentials_DM.Config;
 namespace PepperDash_Essentials_DM.Chassis
 {
 	[Description("Wrapper class for all HdPsXxx switchers")]
-	public class HdPsXxxController : CrestronGenericBridgeableBaseDevice, IRoutingNumericWithFeedback, IRoutingHasVideoInputSyncFeedbacks, IHasVolumeControlWithFeedback
+	public class HdPsXxxController : CrestronGenericBridgeableBaseDevice, IRoutingNumericWithFeedback, IRoutingHasVideoInputSyncFeedbacks
 	{
 		private readonly HdPsXxx _chassis;
-		private readonly string _defaultAudioKey = "";
-
 
 		public RoutingPortCollection<RoutingInputPort> InputPorts { get; private set; }
 		public RoutingPortCollection<RoutingOutputPort> OutputPorts { get; private set; }
@@ -86,8 +83,11 @@ namespace PepperDash_Essentials_DM.Chassis
 			OutputNames = props.Outputs;
 			SetupOutputs(OutputNames);
 
-			if (!string.IsNullOrEmpty(props.DefaultAudioKey))
-				_defaultAudioKey = props.DefaultAudioKey;
+			foreach (var mixer in _chassis.AnalogAuxiliaryMixer)
+			{
+				var mixerDevice = new HdPsXxxAnalogAuxMixerController(Key, mixer.MixerNumber, _chassis);				
+				DeviceManager.AddDevice(mixerDevice);
+			}
 		}
 
 		// get input priorities
@@ -208,14 +208,13 @@ namespace PepperDash_Essentials_DM.Chassis
 
 				VideoOutputRouteFeedbacks.Add(new IntFeedback(index.ToString(CultureInfo.InvariantCulture), 
 					() => output.VideoOutFeedback == null ? 0 : (int)output.VideoOutFeedback.Number));
+			}
 
-				var audioKey = string.Format("audioOut{0}", index);
-				var audioPort = new RoutingOutputPort(audioKey, eRoutingSignalType.Audio, eRoutingPortConnectionType.DigitalAudio,
-					output, this)
-				{
-					FeedbackMatchObject = output,
-					Port = output.OutputPort.AudioOutput;
-				};
+			Debug.Console(0, this, "----> AnalogAuxillaryMixer.Count-{0}", _chassis.AnalogAuxiliaryMixer.Count);
+			foreach (var item in _chassis.AnalogAuxiliaryMixer)
+			{
+				Debug.Console(0, this, "----> AnalogAuxillaryMixer[{0}].LineMuteVolumeControl.Count-{1}", item.MixerNumber, item.LineMuteVolumeControl.Count);
+				Debug.Console(0, this, "----> AnalogAuxillaryMixer[{0}].SourceMuteVolumeControl.Count-{1}", item.MixerNumber, item.SourceMuteVolumeControl.Count);
 			}
 
 			_chassis.DMOutputChange += _chassis_OutputChange;
@@ -427,29 +426,6 @@ Selector: {4}
 			_chassis.AutoRouteOff();
 		}
 
-		#region IHasVolumeWithFeedback Members
-
-		public void VolumeUp(bool pressRelease)
-		{
-			
-		}
-
-		public void VolumeDown(bool pressRelease)
-		{
-			throw new NotImplementedException();
-		}
-
-		public void SetVolume(ushort level)
-		{
-			throw new NotImplementedException();
-		}
-
-		public IntFeedback VolumeLevelFeedback { get; private set; }
-
-
-
-		#endregion
-
 
 
 		#region Events
@@ -564,7 +540,7 @@ Selector: {4}
 		{
 			public HdSp401ControllerFactory()
 			{
-				TypeNames = new List<string>() { "hdps401", "hdps402", "hdps621", "hdps622" };
+				TypeNames = new List<string> { "hdps401", "hdps402", "hdps621", "hdps622" };
 			}
 			public override EssentialsDevice BuildDevice(DeviceConfig dc)
 			{
diff --git a/essentials-framework/Essentials DM/Essentials_DM/Config/HdPsXxxPropertiesConfig.cs b/essentials-framework/Essentials DM/Essentials_DM/Config/HdPsXxxPropertiesConfig.cs
index 9b988dd1..f5eb9d39 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Config/HdPsXxxPropertiesConfig.cs	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Config/HdPsXxxPropertiesConfig.cs	
@@ -15,8 +15,8 @@ namespace PepperDash_Essentials_DM.Config
 		[JsonProperty("outputs")]
 		public Dictionary<uint, string> Outputs { get; set; }
 
-		[JsonProperty("defaultAudioKey")]
-		public string DefaultAudioKey { get; set; }
+		[JsonProperty("volumeMixerId")]
+		public uint VolumeMixerId { get; set; }
 
 		// "inputPriorities": "1,4,3,2"
 		[JsonProperty("inputPriorities")]
diff --git a/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj b/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj
index 0011c305..5840945f 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj	
+++ b/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj	
@@ -104,6 +104,7 @@
     <Compile Include="Chassis\HdMd8xNController.cs" />
     <Compile Include="Chassis\HdMdNxM4kEBridgeableController.cs" />
     <Compile Include="Chassis\HdMdNxM4kEController.cs" />
+    <Compile Include="Chassis\HdPsXxxAnalogAuxMixerController.cs" />
     <Compile Include="Chassis\HdPsXxxController.cs" />
     <Compile Include="Config\HdPsXxxPropertiesConfig.cs" />
     <Compile Include="Config\InputPropertiesConfig.cs" />