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smart:EQ 4 is an intelligent equalization plugin designed to speed up mixing decisions while maintaining precise control. It is used to correct spectral imbalances (overloaded bass, muddy mids, harsh highs), stabilize a source over time, and achieve a more "finished" tone without spending hours on corrective EQ.
Its strength lies in offering a dual approach: working track by track (vocals, guitar, bass, synth, drums, dialogue) or adopting a global mix perspective by coordinating multiple instances. This is especially useful when several elements mask each other (kick/bass, vocals/synths, guitars/pianos), or when you need to maintain spectral balance coherence on buses (drums, instruments, backing vocals) and on the master.
Whether you produce pop, hip-hop, electronic, rock, film music, or podcasts, smart:EQ 4 helps you achieve a clearer, more readable, and modern sound faster, while preserving the personality of the recording or sound design.
At the heart of smart:EQ 4, the smart:filter technology aims for a smoother and more musical frequency balance. It can be applied on a track, bus, or even an entire mix to establish a solid foundation before adding color with other treatments (saturation, compression, reverb, etc.). The idea is not to "standardize" your sound but to quickly reduce what hinders clarity, leaving you to decide the character.
The processing offers selectable modes to adapt to the context: Track (local correction), Group (group logic), or Track & Group (combination). This flexibility allows using smart:EQ 4 both as a corrective tool on a vocal and as a coherence tool on a set of instruments.
smart:EQ 4 stands out with cross-channel processing between instances. Concretely, you can create a group and organize up to ten tracks in a spectral space hierarchy. The Group View and drag and drop make setup quick: you define which elements should stay in the foreground and which should slightly recede in certain frequency areas.
This approach is powerful for clarifying a dense mix: the vocal takes its place without over-EQ, guitars breathe around the lead, synths allow transients to pass, and the low end stabilizes with fewer conflicts. The result is a sense of separation and depth, often usually achieved at the cost of multiple automations and surgical EQs.
Within the same group, smart:EQ 4 offers genuine "remote control": you can adjust the EQ of multiple tracks from any instance in the group. This is a significant time saver in real situations, for example when you want to tweak the kick/bass relationship, the clarity of backing vocals, or the coherence of an instrument bus without switching between windows.
The Profiles library covers practical uses: instruments and vocals on individual tracks, as well as "mix"-oriented profiles based on genres to provide a more global spectral polish. These profiles help you start quickly, stay consistent on a project, and find a sonic direction without multiplying trials.
To target a specific aesthetic, smart:EQ 4 allows creating custom profiles from a reference track. You import a piece whose balance you like, and the plugin generates a profile to emulate its spectral signature and balance on a track or bus. This is particularly relevant for bringing a vocal closer to a genre standard, homogenizing multiple takes, or giving the master a coherent tonal direction.
Beyond intelligence, smart:EQ 4 remains a complete equalizer: standard filters can become dynamic with dedicated settings for Threshold, Ratio, Attack, and Release. This allows controlling an intrusive low mid only when it appears, taming occasional sibilance, or softening a resonance without degrading the continuous take.
For smooth daily use, the plugin also includes Auto Gain to compare before/after more objectively, full M/S processing to sculpt width and center, as well as smart states to navigate between different behaviors and settings depending on the production context.
