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Audioquest JitterBug USB Data and Power Noise Filter reduces USB noise and jitter, enhancing audio clarity and resolution for a superior listening experience. Key Features Reduces noise and ringing on both data and power lines of USB ports Measurably reduces jitter and packet errors, improving digital signal integrity Enhances dynamic contrast, warmth, and resolution of audio playback The Problem Computing devices such as laptops, smartphones, Network Attached Storage (NAS) devices, and media servers generate significant noise and parasitic resonances. Additionally, computers emit Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) onto signal paths, which can travel through USB cables into your audio system. This noise increases jitter and packet errors, causing distortion and a flat, irritating sound. Analog circuitry is also affected, reducing sound depth and quality. The Solution The JitterBug’s dual-circuitry design effectively reduces unwanted noise currents and parasitic resonances. It lowers jitter and packet errors, sometimes eliminating packet errors entirely, resulting in cleaner digital signals. The Result Experience clearer, more compelling sound with improved music, dialogue, and overall audio quality for a better listening experience. Usage Recommendations Use one JitterBug in series (in line) between any computer and USB DAC (digital-to-analog converter). Use an additional JitterBug in parallel with the first for enhanced playback performance. Use JitterBug with locally connected USB devices such as hard drives, printers, and cameras to reduce audio interference. Use JitterBug with USB-enabled network devices like routers, NAS devices, and streamers. Use JitterBug with mobile devices connected to home or car audio systems.