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AudioQuest RCA Noise-Stopper Caps

Cap unused RCA inputs to reduce RF/EMI noise (set of 10)

8 Reviews

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Item # 703RCANSC

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Overview

Our take on the AudioQuest RCA Noise-Stopper Caps

You can't see it, but radio-frequency (RF) and electromagnetic (EM) interference is all around us. Cell phones, computers, microwave ovens, and loads of other devices generate this electrical noise. That noise can be picked up by sensitive audio components a number of ways, including through open RCA and XLR inputs. RF interference is particularly problematic for high-performance audio gear, harming dynamics and clarity.

Put a cap on interference

AudioQuest RCA Noise-Stopper Caps

You can't see it, but radio-frequency (RF) and electromagnetic (EM) interference is all around us. Cell phones, computers, microwave ovens, and loads of other devices generate this electrical noise. That noise can be picked up by sensitive audio components a number of ways, including through open RCA and XLR inputs. RF interference is particularly problematic for high-performance audio gear, harming dynamics and clarity.

To reduce the amount of interference entering your system, try "capping" all unused RCA inputs. You may be pleasantly surprised by a deeper background silence and subtle, previously unheard details emerging from your system.

These actually worked! I hear lower levels of quiescent noise from my Anthem preamplifier and amplifier after implementing the "AudioQuest RCA Noise-Stopper Caps" on the dozen RCA inputs.

Andrew, Capitola, CA

What's in the Box:

  • 10 RCA caps
Reviews

AudioQuest RCA Noise-Stopper Caps Reviews

Average Customer Review(s):

(8 Reviews)
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Product Research

Features

RCA Jack Noise-Stoppers: The Audioquest Noise-Stopper Caps fit over unused RCA jacks of your AV components preventing RFI and EMI noise from entering the active circuit through open RCA inputs or outputs. Noise-Stopper Caps also protect against dust and corrosion. 10 Noise-Stopper Caps are included.

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At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Because I am on a quest. A quest to eliminate alll extra noise from all my audio inputs. [ Andrew  Sep 20, 2018 ]
Good idea. I'll give it a try and see if I can notice a difference [ Jim  Aug 30, 2018 ]
Because I think I can definitely use them and it makes complete sense. [ Glenroy V  Apr 29, 2018 ]
To try out. [ Shaun  Feb 13, 2017 ]
Have used Cardas RCA caps when they first appeared. Now need a few more, and AQ's version looks to be high in quality and just as effective, and is more economical. [ David P.  Dec 08, 2016 ]
To complete my upgrades to an audioquest system . ( VODKA HDMI, VODKA OPTICAL, and now power cords and RCA stopper caps. [ Lorie  Jun 17, 2016 ]

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