OpenTK.Audio.AudioContext.MaxAuxiliarySends.UseDriverDefault Field
Will chose a reliably working parameter.

Syntax

Xamarin.iOS.dll=OpenTK.Audio.AudioContext.MaxAuxiliarySends UseDriverDefault

Requirements

Namespace: OpenTK.Audio
Assembly: OpenTK-1.0 (in OpenTK-1.0.dll)
Assembly Versions: 0.0.0.0