AudioQuest XLR Noise-Stopper

Blocks RFI & EMI Noise: Prevents unwanted radio-frequency and electromagnetic interference from entering open XLR (input/output) ports on audio components. Protects Unused XLR Ports: Seals off empty XLR (input/output) connectors to guard against dust, moisture, and corrosion. Preserves Audio Signal Purity: Helps maintain optimal performance and noise-free operation in high-end home theater and HiFi systems. Snug, Tool-Free Fit: Easily presses into any unused XLR (input/output) for a secure, reliable connection—no tools or installation required. Essential for Clean Signal Paths: Ideal for AV preamps, amplifiers, DACs, and pro-audio equipment with unused XLR jacks.