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AudioQuest USB-A Noise-Stopper Caps (Set of 4)

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  • $ 29.95

Free standard shipping on all orders within the continental US.

AQ Noise-Stopper Caps fit over unused USB inputs or outputs, preventing RFI and EMI noise from entering the active circuit.

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to



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