API 550B 500 Series 4-Band Equalizer

Reverb Estimated Used Price Range

  • $770$950

The API 550B is 4-Band equalizer for the 500 Series and API consoles. It features 7 frequency centers per band, switchable peak/shelf curves for the high and low bands, and API's own "Proportional-Q" which tightens the bandwidth as the boost or cut is increased.


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