FabFilter's latest iteration of Pro-Q 4 sees this beloved workhorse EQ plug-in's already legendary workflow improved with some added polish. New features such as an Instance List, Sketch EQ, Character Modes, and a retooled Dynamic EQ section will streamline your workflow and further enhance your tracks. Spectral Dynamics represents an efficient yet subtle way to attenuate problematic frequencies. A new All Pass filter shape also makes itself known as a great way to check phase relationships. Additionally, since Pro-Q 4 won't replace Pro-Q 3, you'll be able to open your older sessions with no problems and even use multiple versions simultaneously. Worried about a steep learning curve? Don't be: Everything you knew and loved about Pro-Q 3 is present and accounted for, including incredible sound quality, EQ match, stereo or mid-side processing modes, MIDI Learn, A/B comparison, and more. FabFilter's esteemed EQ plug-in — better than ever with everything you loved about Pro-Q 3 and more New All Pass filter shape introduces phase adjustments without changing the gain EQ Sketch lets you draw any EQ curve you'd like — a great starting point for your mixes Instance List enables you to control all instances with just one plug-in interface and enables EQ Match plus copying and pasting of EQ bands or presets Spectral Dynamics help you fix troublesome frequencies even more easily than before Spectral Analyzer with real-time analysis for pre-EQ, post-EQ, and external signals Character modes (Clean, Subtle, and Warm) add an analog feel to your mixes by introducing vintage non-linearities New Attack and Release settings and optional sidechain filtering in the Dynamic EQ section, plus less distortion for an overall clearer sound and works in Linear Phase mode Fractional slope settings (e.g., a 3.5 dB/oct LP or HP filter) Enhanced accuracy when utilizing linear phase processing Improved analog matching and sound quality in Zero Latency and Natural Phase modes Click and drag or scroll with the mouse wheel to change EQ values directly Full immersive audio support up to 9.1.6 Dolby Atmos New, exciting look and feel Safely upgrade — doesn't replace older versions; you can use different versions simultaneously