AudioQuest USB-A Noise-Stopper Caps for Home Theater Systems – Prevents RFI & EMI Noise, Protects Unused USB Ports from Dust and Corrosion, Set of 2

AudioQuest USB-A Noise-Stopper Caps for Home Theater Systems – Prevents RFI & EMI Noise, Protects Unused USB Ports from Dust and Corrosion, Set of 2

• Prevents RFI & EMI Noise: Blocks unwanted radio-frequency and electromagnetic interference from entering unused USB-A ports on audio and AV gear.
• Protects Open USB-A Ports: Shields exposed USB inputs or outputs from dust, corrosion, and debris, helping preserve long-term device health.
• Maintains Clean Signal Paths: Reduces noise in digital and audio signal chains for improved system clarity.
• Quick and Secure Fit: Easily presses into any USB-A port—no tools required—for a tight, secure connection.
• Ideal for HiFi and Home Theater Systems: Perfect for DACs, streamers, media servers, AV receivers, and any device with unused USB-A connectors.

AudioQuest Noise-Stopper Caps fit over unused USB inputs or outputs, preventing RFI and EMI noise from entering the active circuit. Noise-Stopper Caps also protect against dust and corrosion.