MacUpdate Promo is offering AudioSpillage’s DrumSpillage drum synthesizer instrument at 45% off.

DrumSpillage is a pro-quality model based drum synthesis plugin for Mac OS X.

DrumSpillage employs a diverse palette of technologies including elements of physical and analog modeling, additive, subtractive and FM synthesis techniques to create its drum sounds.

DrumSpillage is compatible with a wide range of AudioUnit plugin hosts. Pro features like multiple outputs, extensive automation capabilities, native 64-bit support and the new pad freeze and sample export features (in v1.2+) result in an instrument that is perfectly at ease in the modern studio environment.

DrumSpillage is available to purchase for $69 USD on 25 August, 2011, after which it will still be available for a 14-day extended discount price of $93.75 USD (regular $125 USD).