All plugins / Overloud / EQ550
EQ550
Proportional Q - American EQ beyond the original hardware.
- Version
- 1.1.6
- Formats
- VST3 · AU · AAX
- OS
- MacOS · Windows
- Apple Silicon
- Native
- Trial
- Free trial available
Sources: KVR product page, Product page, Compatibility page· checked Jun 11, 2026
EQ550 is a plug-in emulation of a renowned American proportional-Q equalizer based on custom op-amps, simulating all original transformers and circuit saturations. It adds features beyond the hardware, including continuous frequency selection, an additional mid band, and individual band cue monitoring.
Source: Product page· checked Jun 11, 2026
Key features
- 5-band proportional-Q EQ: 2 shelving/peaking, 2 peaking, 1 bandpass
- Individual band Cue for soloing frequency ranges
- Continuous frequency selection per band
- Additional mid band beyond the original hardware
- Simulation of all original transformers
- Resizable graphic interface
- Multilevel undo-redo and A/B comparison
- Low CPU usage: more than 1500 instances on a MacBook Pro Retina
Source: Product page· checked Jun 11, 2026
External resources
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| Retailer | Price | Price history | |
|---|---|---|---|
| PluginFox | $119.00 | View at PluginFox → | |
| Audio Deluxe | $119.00 | View at Audio Deluxe → |
DAW compatibility
- Pro Tools
- Logic Pro
- Ableton Live
- FL Studio
- Cubase
- Studio One
- Reaper
- Bitwig
Based on the manufacturer's listed formats and supported hosts. ✓ supported · ? unconfirmed · × unsupported
License
- Purchase
- Perpetual
Source: Product page· checked Jun 11, 2026
Sources
- Product page backs formats, license, tagline, trial, OS support, description, key features, release year checked 2026-06-11
- KVR product page backs version checked 2026-06-11
- Compatibility page backs Apple Silicon, daw compatibility checked 2026-06-11