Art HD 231 Graphic Equalizer *read

BIAMP Systems SPM412e - 1U Rackmount Stereo Premp Mixer -Tested

Rane VP 12 Voice Processor Rack Unit Mic Preamp Compressor EQ Broadcast Studio

DOD R-855 4-Channel Rack Mount Mixer Preamp Tested XLR TRS. CP

DOD R-855 4-Channel Rack Mount Mixer Preamp Tested Working XLR TRS

DBX 266XL COMPRESSOR/GATE PRO-AUDIO 1U RACK UNIT - 1 channel works

DOD SR430QX - Dual Channel 15-Band Graphic Equalizer with Balanced XLR and 1/4"

Roland DEP-5 Vintage Digital Effects Processor 1U Rackmount Reverb Chorus EQ