Shure SCM410 Four-Channel Automatic Microphone Mixer (110V) with Logic Control and EQ per Channel, AC only, Half Rack Space Single and Dual Mount | Southern Electronics
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Shure SCM410 4-Channel Automatic Microphone Mixer (110V) with Logic Control and EQ per Channel | 305broadcast
Amazon.com: Shure SCM410 4-Channel Automatic Microphone Mixer (12V Phantom Power) with Logic Control, IntelliMix Technology and Adjustable EQ per Channel : Musical Instruments
Shure SCM268 4-Channel Microphone Mixer - Pixel Pro Audio