AMS RMX16 500 Series Reverb Module
dbx 510 Subharmonic Synthesizer
elysia karacter Two CH 500 Series Saturation/ Distortion/Tonal-Color Generator
elysia karacter qube 500 Series Saturation and Distortion Module with Desktop
elysia nvelope Two Channel 500 Series Transient Shaper EQ & Dynamics Processor
elysia nvelope qube 500 Series Transient Shaper Module w/ Desktop Chassis
Fredenstein F605 High performance 500 Series Headphone Amplifier
Fredenstein F606 (2 CH) 500 Series Unbalanced-to-Balanced Audio Converter
Fredenstein F607 500 Series Monitor Controller Module
Little Labs Voice of God - VOG Analog Bass Resonance Tool
Looptrotter SAT 500 - Single Channel 500 Series Saturation Module
Purple Audio Cans II
Purple Audio Moiyn
Rupert Neve Designs 545 Primary Source Enhancer
Rupert Neve Designs 542 Portico Tape Emulator
Serpent Audio Send N' Blend Mix / Blend Module
SPL BiG The Stereo Image Bigger Maker for Series 500
SPL DeS 500 Series Dual Band De-Esser Module
SPL HPm 500-Series Headphone Amplifier
SPL TDx 500-Series Transient Designer Module