Up To 50% off W.A Production Preset Pack Sale – Up To 50% off Save on a selection of presets from W.A Production for their own synths along with Serum, Spire, Sylenth and more. Expired April 13, 2024 Buy Now All Sales W.A Production Preset Pack Sale – Up To 50% off Save on a selection of presets from W.A Production for their own synths along with Serum, Spire, Sylenth and more.