DigitalLife HumBlock-Pro 6.35mm Ground Loop Isolator, Metal F-F (1-Pack) Single-Channel Audio Hum Eliminator for Home & Studio, Not Suitable P24/P48 Phantom Powered Microphones, GLI-635

6.35mm Ground Loop Isolation (GLI-635, 1-Pack): Helps reduce hum and buzzing caused by ground loops in compatible 6.35mm audio connections. Designed for home audio, studio and live setups where interconnected equipment may introduce unwanted ground-loop noise Designed for Ground-Loop Noise: Uses transformer-based passive isolation to help break ground loops between connected audio equipment and reduce related hum and buzz. Important: This product is designed specifically for ground-loop-related noise and will not eliminate every type of audio noise Passive Design, No External Power Supply: Operates without an external power source for a simple setup. With a frequency response of 20 Hz to 20 kHz, it supports stable audio transmission in everyday use. No extra cables or adapters are required 6.35mm F-F Connections, Wide Application: Designed for compatible 6.35mm audio connections in amplifier, mixer, audio interface, speaker and guitar signal-chain setups. Note: Not designed to eliminate guitar pickup hum, microphone hiss, acoustic feedback or noise caused by defective cables or equipment. Do not use with signal paths carrying 24V/48V phantom power Plug-and-Play Metal Housing: Compact metal construction provides a practical solution for home audio, studio and small performance setups. No software, installation or external power is required. Includes 2-year after-sales support and multilingual customer assistance