diff --git a/Lib.Audio/Controls/Fader.cs b/Lib.Audio/Controls/Fader.cs
index c4024bb..133577f 100644
--- a/Lib.Audio/Controls/Fader.cs
+++ b/Lib.Audio/Controls/Fader.cs
@@ -11,13 +11,19 @@ namespace Lib.Audio.Controls
     public class Fader : IFader
     {
         private const float MIN_POSITION = 0; //TODO: calibrate? get from driver?
-        private const float MAX_POSITION = 16256; //TODO: calibrate? get from driver?
+        private const float MAX_POSITION = 126; //16256; //TODO: calibrate? get from driver?
             
         private int _position;
 
-        public Fader(XmlFader xmlFader) => NoteNumber = xmlFader.NoteNumber;
+        public Fader(XmlFader xmlFader)
+        {
+            NoteNumber = xmlFader.NoteNumber;
+            Controller = xmlFader.Controller;
+        }
 
         public int NoteNumber { get; }
+        public byte Controller { get; }
+        
         public int Position
         {
             get => _position;
diff --git a/Lib.Audio/Controls/Interfaces/IFader.cs b/Lib.Audio/Controls/Interfaces/IFader.cs
index 90c2c46..23c4f9e 100644
--- a/Lib.Audio/Controls/Interfaces/IFader.cs
+++ b/Lib.Audio/Controls/Interfaces/IFader.cs
@@ -9,6 +9,7 @@ namespace Lib.Audio.Controls.Interfaces
     public interface IFader
     {
         int NoteNumber { get; }
+        byte Controller { get; }
         int Position { get; set; }
         
         bool IsTouched { get; set; }