FabFilter Pro-G is a high quality gate/expander plug-in for mixing and mastering purposes, with flexible side chain options and great interface design. The Pro-G app filters the microphone input and plays it back in real-time. To use Pro-G as a plug-in, you need an AUv3-compatible host app like Auria, AUM or Cubasis. Pro-G will appear in the list of Audio Unit extensions for effect plug-ins in the host app. Key features: - Five perfectly fine-tuned expander/gate algorithms: Classic, Clean, Vocal, Guitar and an upward expansion style - Beautifully program-dependent attack and release curves - Precise and helpful metering, including a real-time level display - Low CPU usage - Adjustable range, hold time and knee settings - Optional look-ahead time up to 10 ms - Expert mode that offers highly customizable side chain and level options, conveniently hidden in normal mode - Mono, stereo or mid/side processing - Up to four times linear-phase oversampling - Zero-latency operation mode - External side chain option - MIDI triggering: open the gate/expander with your MIDI keyboard - Separate dry/wet level settings - Easy to set up for common gating/expansion situations with the included factory presets - Undo/redo and A/B comparison "FabFilter's slick, innovative interfaces make FabFilter Pro-G a joy to use. For pros and beginners alike, Pro-G is a superb tool!" — Music Tech Magazine