Pro Soloist recreates the iconic 1972 ARP Pro Soloist synthesizer with precision-crafted, circuit-modeled DSP technology, capturing the original's expressive controls and unique sound architecture. This virtual instrument goes beyond the classic by offering full polyphony, split and layer functions, an arpeggiator, a modulation matrix, and integrated studio-quality effects. These enhancements open up new creative possibilities while maintaining the character and feel of the original hardware.

Recognized for its innovative touch-sensitive keyboard that enabled expressive playing, the original Pro Soloist was a favorite among legendary artists across various genres. This software version faithfully models the analog signal path and includes all 30 classic presets. It adds a dual-layer voicing system with 16 polyphonic voices per layer, allowing users to combine sounds with independent panning for rich stereo textures. Additional features such as split keyboard mode and a 'Last Note' function simulate polyphonic aftertouch, expanding its expressive potential.

The user interface presents a three-panel design that balances authentic vintage aesthetics with modern sound design flexibility. Users can explore the original preset sounds in Performance mode or dive deeply into synthesis parameters in Edit mode, including a five-band resonator filter and a Super Wave oscillator. The Arp/FX panel features a syncable arpeggiator and a variety of effects including distortion, phaser, chorus, echo, and reverb. With hundreds of presets crafted by experienced sound designers and optimized DSP performance, this instrument appeals to both fans of vintage synths and contemporary music producers.