Sonitus:fx is a series of professional audio processing plug-ins for use in host applications supporting the Microsoft DirectX Media ® and/or Steinberg VST ® audio plug-in standards, such as Cakewalk, Sound Forge, Wavelab and Cubase. Sonitus:fx contains a 6-band parametric equalizer, a versatile modulation plug-in, a high-quality reverb, a phase shifter w/phase meter, a variable-knee compressor with built-in peak limiter, a surround panner and a wahwah guitar effect emulator.