Aphex 124A 10/4 Audio Level Interface Balanced Unbalanced -10dBV to +4dBu

Aphex 124A 10/4 Interface 2 Channel Audio Leveler

Aphex 124A Pro Audio Line Level Converter +4 / -10 Interface

Tascam IF-88AE Digital Audio Interface - Tested

Henry Engineering Studio Drive Audio Interface -

Symetrix 303 Bi-Directional Interface Amplifier Pro Audio Tested

Biamp Audia Solo 12x4 Channel Rackmount Audio Processor

Aphex Model 120 1x4 Audio Distribution Amp Line Level Rack Unit