UDW X, Ultrasonic Death Whistle, The Dark Sounds of Aztec Death Whistles Expanded from MNTRA offers more than double the samples found in the original UDW instrument, adding 60 new and captivating presets, and incorporating novel advanced features from MNDALA 2. UDW X is built around MNTRA’s powerful 3-axis control system represented by a custom performance-view animation created for seamless intuitive live expression. It works with compatible DAWs that support VST3/AU compatible DAWs for Windows and macOS. And take advantage of MNTRA’s powerful nonlinear sound-design Engine MNDALA.