VOLT By Numerical Audio Is A New Polyphonic Synthesizer For iOS With MPE Support

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Teasing time is over, VOLT by Numerical Audio is out. It’s a new virtual analog polyphonic Synthesizer for iOS (AUv3)  that features the innovative MPE (MIDI Polyphonic Expression) technology for a better expressive playability.

I had the chance already to play with this new iOS Synthesizer and I can say that it sounds great. Unfortunately, I can’t test the MPE functionalities of the synth because I don’t have one of these keyboards. Nonetheless, VOLT is another interesting release from Numerical Audio and an instrument that is especially interesting for users of a ROLI keyboard per example.

Classic Synth Sounds From 70s to 80s

Designed to deliver classic synth sounds from the late 70s and early 80s, VOLT at it’s heart is comprised of up to 8 virtual analog synth voices each including one continuously variable wave oscillator, detunable sub, noise source, SEM style filter, advanced LFO, distortion & 2 ADSR envelopes followed by a total of 3 master effect units.

MPE Support

Being centered around expression, VOLT was built with multidimensional polyphonic expression (MPE) in mind and supports all ROLI products as well as other MPE compatible devices out of the box. Great care has been taken to craft a deliberately simple user interface taking design cues from real hardware to create a enjoyable and easy to use experience while providing just the right amount of control to enable a wide variety of timbres and sounds without overwhelming the player. With a factory bank of more than 100 expressive presets grouped in categories ranging from soaring Leads over swelling Pads to rhythmic Sequences, VOLT is a joy to play.    


What’s more, VOLT supports the Audio Unit V3 standard making it possible to load multiple instances into any DAW that supports AUv3. In addition, Audiobus 3, Interapp-Audio, USB Audio/MIDI, Bluetooth MIDI and Ableton Link are all supported as well making VOLT a perfect fit for almost any setup. 

Features At A Glance
  • Virtual Analog Synth Voice with up to 8 voices of polyphony, unison and mono mode
  • Continuously variable wave oscillator, flexible sub osc and noise source
  • SEM style multimode filter
  • Dual ADSR & LFO per voice
  • Per voice distortion
  • Built-in stereo effects (3x)
  • Arpeggiator
  • Expressive onscreen keyboard
  • Standalone, AUv3, IAA, AB support
  • 100+ carefully crafted factory presets
Sound Test Room Sound Demo

VOLT for iPad is now available on the Apple AppStore at a discounted price of $8.99 (intro offer, ends April 3rd) and regularly sells for $14.99.

Available here: VOLT 

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