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Amazon.com: Mackie Big Knob Passive Studio Monitor Controller with 1/4" Male Phone to 1/4" Male Phone TRS Cable -5 : Musical Instruments
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Amazon.com: Mackie Big Knob Series, 3x2 Studio Monitor Controller 192kHz USB I/O (Big KNOB Studio) : Mackie: Musical Instruments
Amazon.com: Big Knob Passive Monitor Controller, XLR and 3.5mm Interface Large Volume Knob Mute Control Passive Studio Monitor Controller Stereo Monitor Volume Controller : Musical Instruments
Passive Monitor Controller with XLR 3.5mm Inputs Outputs Supports Attenuation Control Mute Function
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Amazon.com: Mackie Big Knob Studio+ 4x3 Studio Monitor Controller and Interface Controller and USB Audio Interface, with 2 Mic Preamp with V-Moda Forza in-Ear Headphones and Gravity Magnet Phone Holder Bundle :
What Is A Monitor Controller? - Audient
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