TONOR TX310 Audio Interface, USB Audio Mixer - missing slider knob

VINTAGE SONY MX-12M 6 CHANNEL STEREO MIC / LINE MIXER ( untested )

Behringer MicroMix MX400 4-Channel Line Mixer Low Noise

NO CABLE Behringer MX400 MicroMix ultra low-noise 4-channel mono line mixer

Vivanco MX 3104 Line Mixer battery powered, unused and Untested

Vivanco VCR 4044 Analog Audio/Video Processor Color Enhancer Editor Mixer

*NO CABLE* Behringer MX400 ultra low-noise 4-channel mono line mixer (A20)

ART MX622 6-channel Stage & Recording Mixer (19" rackmount) + Three Microphones