diff --git a/src/Rs232Commands.cs b/src/Rs232Commands.cs
index 8c201ef..788c372 100644
--- a/src/Rs232Commands.cs
+++ b/src/Rs232Commands.cs
@@ -20,7 +20,14 @@ public static class Rs232Commands
         public static readonly byte[] InputHdmi3 = {0x8C, 0x00, 0x02, 0x03, 0x04, 0x03};
         public static readonly byte[] InputHdmi4 = {0x8C, 0x00, 0x02, 0x03, 0x04, 0x04};
         public static readonly byte[] InputHdmi5 = {0x8C, 0x00, 0x02, 0x03, 0x04, 0x05};
-        public static readonly byte[] InputPc1 = {0x8C, 0x00, 0x02, 0x03, 0x05, 0x01};        
+        public static readonly byte[] InputPc1 = {0x8C, 0x00, 0x02, 0x03, 0x05, 0x01};
+
+        public static readonly byte[] VolumeUp = { 0x8C, 0x00, 0x05, 0x03, 0x00, 0x00 };
+        public static readonly byte[] VolumeDown = { 0x8C, 0x00, 0x05, 0x03, 0x00, 0x01 };
+        public static readonly byte[] VolumeDirect = { 0x83, 0x00, 0x05, 0x03, 0x01, 0x00 }; //reset byte[5] to actual volume level
+
+        public static readonly byte[] MuteOn = { 0x8C, 0x00, 0x06, 0x03, 0x01, 0x01};
+        public static readonly byte[] MuteOff = { 0x8C, 0x00, 0x06, 0x03, 0x01, 0x00 };
 
         public static readonly byte[] PowerQuery = { 0x83, 0x00, 0x00, 0xFF, 0xFF };
         public static readonly byte[] InputQuery = { 0x83, 0x00, 0x02, 0xFF, 0xFF };
@@ -49,11 +56,52 @@ public static IQueueMessage GetVolumeQuery(IBasicCommunication coms, Action<eCom
             return new Rs232Command(coms, VolumeQuery.WithChecksum(), action, eCommandType.VolumeQuery);
         }
 
+        public static IQueueMessage GetVolumeUp(IBasicCommunication coms, Action<eCommandType> action)
+        {
+            return new Rs232Command(coms, VolumeUp.WithChecksum(), action, eCommandType.Command);
+        }
+
+        public static IQueueMessage GetVolumeDown(IBasicCommunication coms, Action<eCommandType> action)
+        {
+            return new Rs232Command(coms, VolumeDown.WithChecksum(), action, eCommandType.Command);
+        }
+
+        public static IQueueMessage GetVolumeDirect(IBasicCommunication coms, Action<eCommandType> action, int volume)
+        {
+            if(volume < 0 )
+            {
+                VolumeDirect[5] = 0x00;
+
+                return new Rs232Command(coms, VolumeDirect.WithChecksum(), action, eCommandType.Command);
+            }
+
+            if (volume > 255)
+            {
+                VolumeDirect[5] = 0xFF;
+
+                return new Rs232Command(coms, VolumeDirect.WithChecksum(), action, eCommandType.Command);
+            }
+
+            VolumeDirect[5] = (byte) volume;
+
+            return new Rs232Command(coms, VolumeDirect.WithChecksum(), action, eCommandType.Command);
+        }
+
         public static IQueueMessage GetMuteQuery(IBasicCommunication coms, Action<eCommandType> action)
         {
             return new Rs232Command(coms, MuteQuery.WithChecksum(), action, eCommandType.MuteQuery);
         }
 
+        public static IQueueMessage GetMuteOn(IBasicCommunication coms, Action<eCommandType> action)
+        {
+            return new Rs232Command(coms, MuteOn.WithChecksum(), action, eCommandType.Command);
+        }
+
+        public static IQueueMessage GetMuteOff(IBasicCommunication coms, Action<eCommandType> action)
+        {
+            return new Rs232Command(coms, MuteOff.WithChecksum(), action, eCommandType.Command);
+        }
+
         public static IQueueMessage GetPowerOn(IBasicCommunication coms, Action<eCommandType> action)
         {
             return new Rs232Command(coms, PowerOn.WithChecksum(), action, eCommandType.Command);
diff --git a/src/SonyBraviaDevice.cs b/src/SonyBraviaDevice.cs
index 8d976a8..aa4f04e 100644
--- a/src/SonyBraviaDevice.cs
+++ b/src/SonyBraviaDevice.cs
@@ -4,6 +4,7 @@
 using System.Linq;
 using System.Text.RegularExpressions;
 using Crestron.SimplSharp;
+using Crestron.SimplSharpPro.CrestronConnected;
 using Crestron.SimplSharpPro.CrestronThread;
 using Crestron.SimplSharpPro.DeviceSupport;
 using PepperDash.Core;
@@ -21,7 +22,8 @@ namespace SonyBraviaEpi
 {
     public class SonyBraviaDevice : TwoWayDisplayBase, ICommunicationMonitor, IBridgeAdvanced,
         IInputHdmi1, IInputHdmi2, IInputHdmi3, IInputHdmi4, IInputVga1,
-        IOnline
+        IOnline,
+        IBasicVolumeWithFeedback
 #if SERIES4
         , IHasInputs<string, string>
 #endif
@@ -125,6 +127,9 @@ public SonyBraviaDevice(DeviceConfig config, IBasicCommunication comms)
 
             _pollTimer = new CTimer((o) => Poll(new List<IQueueMessage> { powerQuery, inputQuery, muteQuery, volumeQuery }),Timeout.Infinite);
 
+            MuteFeedback = new BoolFeedback(() => _muted);
+            VolumeLevelFeedback = new IntFeedback(() => CrestronEnvironment.ScaleWithLimits(_rawVolume, 255, 0, 65535, 0));
+
             CrestronEnvironment.ProgramStatusEventHandler += type =>
             {
                 try
@@ -262,6 +267,13 @@ public void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, E
 #if SERIES4
         public ISelectableItems<string> Inputs { get; private set; }
 #endif
+        private bool _muted;
+
+        private int _rawVolume;
+
+        public BoolFeedback MuteFeedback { get; private set; }
+
+        public IntFeedback VolumeLevelFeedback { get; private set; }
 
         /// <summary>
         /// Poll device
@@ -939,5 +951,53 @@ public void SetInput(string selector)
             }
         }
 #endif
+        public void MuteOn()
+        {
+            CommandQueue.Enqueue(_comsIsRs232
+                ? Rs232Commands.GetMuteOn(_coms, UpdateLastSentCommandType)
+                : null);
+        }
+
+        public void MuteOff()
+        {
+            CommandQueue.Enqueue(_comsIsRs232
+                ? Rs232Commands.GetMuteOff(_coms, UpdateLastSentCommandType)
+                : null);
+        }
+        public void MuteToggle()
+        {
+            if (_muted)
+            {
+                MuteOff();
+                return;
+            }
+
+            MuteOn();
+        }
+
+        public void SetVolume(ushort level)
+        {
+            var scaledVolume = CrestronEnvironment.ScaleWithLimits(level, 65535, 0, 255, 0);
+
+            CommandQueue.Enqueue(_comsIsRs232
+                ? Rs232Commands.GetVolumeDirect(_coms, UpdateLastSentCommandType, scaledVolume)
+                : null);
+        }
+
+        public void VolumeUp(bool pressRelease)
+        {
+            CommandQueue.Enqueue(_comsIsRs232
+                ? Rs232Commands.GetVolumeUp(_coms, UpdateLastSentCommandType)
+                : null);
+        }
+
+        public void VolumeDown(bool pressRelease)
+        {
+            CommandQueue.Enqueue(_comsIsRs232
+                ? Rs232Commands.GetVolumeDown(_coms, UpdateLastSentCommandType)
+                : null);
+        }
+
+
     }
 }
\ No newline at end of file