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The XL-K664 Knob Kit for 664 Production Mixer from Sound Devices is a knob replacement kit for the 664 Production Mixer trim pot knobs. This kit includes six knobs, six pre-inserted screw sets, and one hex wrench tool. The knobs are gray and each is marked with a black line which serves as the level indicator.
In the Box
Sound Devices XL-K664 Knob Kit for 664 Production Mixer