Fredenstein Artistic Leveler 500 Series Optical Compressor Module 2

dbx 530 Parametric EQ 500 Series Module

Burgin McDaniel Komit 500 Series Compressor (price for 1 single unit)

Empress Effects ECM-519 500 Series compressors (6 total)

SPL TDX Transient Designer 500-Series Module

Aphex Project 500 Series Channel Strip

FCS Pico 505 Utility Preamp 500 Series Foote Control Systems DI Line

Midas 502 V2 Microphone Preamplifier 500-Series Module with Built-In XL4 Filters