If you mean how to add/remove sounds of different hilts use this guide:
A .sab file sets the properties of one or more saber hilts in JKA. You can put as many different sabers into one file as you wish, and can have more than one hilt per model. A each saber has the following syntax in a .sab file: [Saber_name] { [Key] [Value] [Key] [Value] } Where...
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If you have Penekepack you can open it and look at files in \ext_data\sabers for more examples. Idk where base MB2 .sab files are located.