Used API 550B Rack Equipment

Used API 550B Equalizer in excellent condition, offering classic punch and clarity with 4 bands of equalization. Features discrete circuitry, selectable center frequencies, and fixed 12 dB boost/cut per band. Designed for 500-series racks, this industry-standard EQ delivers the legendary API sound, ideal for tracking, mixing, and mastering. With the trusted build quality and iconic tone shaping of the 550B, this unit is a must-have for professional audio engineers and studios.