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Amazon.com: Mackie Big Knob Series, 4x3 Studio Monitor Controller 192kHz USB I/O (BIG KNOB STUDIO PLUS) : Mackie: Musical Instruments
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Mackie Big Knob Studio+ Big Knob 4X3 Studio Monitor Controller, USB Interface, 192 Khz | Full Compass Systems
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Amazon.com: Mackie Big Knob Studio+ 4x3 Studio Monitor Controller 192kHz USB I/O Interface Bundle with Knox Gear Closed-Back Studio Monitor Headphones, XLR Cables, & 1/4" TRS Cables (8 Items) : Musical Instruments
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Amazon.com: Mackie Big Knob Series, 4x3 Studio Monitor Controller 192kHz USB I/O (BIG KNOB STUDIO PLUS) : Mackie: Musical Instruments
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