API Audio 550b Discrete 4 Band EQ
Professional music gear - detailed information and where to buy

API Audio
550b Discrete 4 Band EQ
Product Info
* Prices may vary. Check retailer for current pricing and availability.
Product Description
- API Audio 550b Discrete 4 Band EQ
- Discrete 4-band equalizer
- From the 500 series
- 7 centre frequencies selectable per band
- 12 dB of boost / cut per band
- EQ band 1 and 4 in selectable shelf / peak characteristics
- Traditional API circuit design
- Headroom up to +30 dB
- In / Out switch
- Reissue of the 1967 API 550EQ with an additional band
- Requires the API Lunchbox 500-6B or 500 VPR slot rack
Additional Information
About the API Audio 550b Discrete 4 Band EQ
Discover the distinctive sound and feel of the API Audio 550b Discrete 4 Band EQ, a standout choice among 500 Series Components.
Why Choose the API Audio 550b Discrete 4 Band EQ?
- •Authentic API Audio craftsmanship and design
- •Versatile sound suitable for multiple musical genres
- •Professional build quality and reliable performance
- •Part of API Audio's respected 500 Series Components lineup
Compare & Explore
Browse our complete selection of API Audio instruments or explore other 500 Series Components options. Use our comparison tools to find the perfect match for your musical style and budget.
Similar Products

Erica Synths Echolocator
Multi Effect Processors

Locomotive Audio 14B
Compressors, Gates and De-essers

Zoom H4essential APH-4e Bundle
Portable Recorders

Applause Jump Dark Matter
Other Acoustic Guitars

Drawmer MQ-1
500 Series Components


Antelope A4-1B Complete Edition
Compressors, Gates and De-essers

Ampeg RB-112 Bundle
Solid-State Bass Combos