The Aquios X4 Workstation ROM is a dynamic virtual instrument designed to inspire creativity across various music genres. It features a vast sound bank packed with evocative pads, futuristic synths, club-ready bells, cinematic strings, pristine pianos, grand brass, angelic choirs, ambient textures, and unique poly synths. This collection combines both orchestral and synthesized instruments, offering producers an extensive palette for crafting rich and immersive soundscapes, whether for electronic dance music or dramatic orchestral scoring.

Equipped with a powerful multi-effects engine, the Aquios X4 delivers a professional and polished sound. Users can explore analog-emulated warmth or crystal-clear digital clarity, enhanced by four high-definition modeled quad filters with customizable controls. The instrument offers detailed modulation options including LFO types and envelope settings, plus pitch tuning and stereo spatial imaging. Its onboard studio-quality ambient reverb and dual delay effects provide depth and dimension, while multiple clarity and warmth settings allow precise tonal shaping.

This workstation includes a massive 4.2GB ROM with approximately 2,000 waveform samples and over 450 preset factory patches, covering a broad spectrum of sounds from fat club saws to delicate plucked pizzicatos. Each of the four voices features extensive control over volume, pan, sample envelopes, and effects such as phaser, chorus, and gated rhythm patterns. The modulation wheel adds further expression with assignable effects, making the Aquios X4 a comprehensive tool for producers seeking a rich, detailed, and flexible instrument.