AudioQuest RCA Noise-Stoppers

10x Input & Output RCA Caps

Protect your audio system from unwanted interference with AudioQuest RCA Noise-Stopper Caps. Designed to block RFI and EMI noise from entering open RCA inputs or outputs, these high-performance caps feature 23 internal springs for a universal, secure fit while protecting against dust and corrosion.

Key Features & Technology Explained

Open RCA jacks on your audio system can act as entry points for unwanted RFI and EMI, subtly degrading the clarity and purity of your sound. AudioQuest RCA Noise-Stopper Caps provide a simple yet highly effective solution to block noise, ensuring your system performs at its best.

Designed for audiophiles, home theater enthusiasts, and custom integrators, these premium caps seal unused RCA inputs and outputs to prevent interference, while also protecting against dust, debris, and corrosion. Whether you're using a high-end stereo system, AV receiver, DAC, subwoofer, or professional audio setup, these caps provide a low-cost upgrade for maintaining clean, interference-free audio.

Unlike generic RCA caps that may fit loosely or fall off, AudioQuest Noise-Stopper Caps feature a 23-spring internal design for a universal, secure fit on all standard RCA jacks. The high-quality dark-chrome finish resists fingerprints and blends seamlessly with your gear, maintaining the aesthetic of your audio components.

• Block Unwanted Noise for Cleaner Audio Performance: Open RCA jacks can allow RFI (Radio Frequency Interference) and EMI (Electromagnetic Interference) to enter your system, subtly degrading sound quality. AudioQuest RCA Noise-Stopper Caps seal these unused inputs, preventing interference from contaminating your audio signal.
• Universal Fit with Secure 23-Spring Design: Unlike generic caps that may fit loosely or fall off, AudioQuest RCA Noise-Stopper Caps feature 23 internal springs, ensuring a snug, universal fit for all standard RCA inputs and outputs.
• Long-Lasting Protection Against Dust and Corrosion:
  Unused RCA inputs are prone to collecting dust and experiencing corrosion due to oxidation, which can negatively affect connectivity over time. These Noise-Stopper Caps act as a barrier, preserving the integrity of your connections.
• A Simple Upgrade for High-Purity Sound: Even minor noise interference can subtly degrade system performance. Whether you’re a home theater enthusiast or an audiophile striving for the best sound, these caps offer a low-cost, high-value solution to keeping your system pristine.
• Designed for Serious Audiophiles and Home Theater Enthusiasts:
  When every detail of your system matters, protecting open RCA inputs ensures the cleanest signal path possible. Enjoy an immersive listening experience without unwanted background interference.
• Professional-Grade Solution for Custom Installers: Integrators and AV professionals trust AudioQuest for high-performance solutions. Noise-Stopper Caps impart a clean, finished look to even the tidiest rack builds while reducing potential interference and ensuring long-term system reliability.