Used Gear Hunter
Used API 550B for sale
14 listings from 5 marketplaces, refreshed continuously.

Cheapest right now
£56
12-15V, 1.5 AMP Regulated Power Supply For API 312 512 525 550 550A 550B 553 560
ReverbVery Good
Market price history
Median sold price · 2026-07-15 → 2026-10-04Min £630 · Max £865
Available at
Current API 550B listings
API 550B 500 Series 4-Band Equalizer Module 1990 - Present - Black
£758Reverb
Local pickup available
Very Good
API 550b
£864FINN
Similar listings
API 550B 500 Series 4-Band Equalizer (Pair) 1990s & API 500-HPR 2-Channel Chassis
£1,894Reverb
Local pickup available
Very Good
API 1608 16-Channel 8-Bus Recording Console (Loaded, 12x 550A / 2x 550B 4x 560) 2010s - Black
£28,561Reverb
Local pickup available
Excellent











