Mini Active Volume Control Knob Volume Controller 3.5mm Audio Adjuster PC Speaker Amplifier Switcher,Volume Control Knob Speaker Audio Adjuster for Win10/8/7/Vista/XP/Mac KL

This volume controller uses a step potentiometer (50K), and inside is a PCB integration board, which allows for fine adjustment. High fidelity wired transmission, no power supply required. Recommended for those who want intuitive and simple volume control without concern for sound quality! You can connect players with 3.5 mm output or RCA output.
For example: Cell phone, computer, MP3, DVD, Nintendo Switch can be connected to a PC display. You can connect to amplifiers or active speakers with 3.5 mm jack or RCA jack input.
For example: power amps, DACs, headphones, active speakers. Build in aluminium CNC chassis, made of metal shell and ALPS rotating shaft, looks nice and durable. High quality shock-absorbing pad is used on the bottom of the volume controller to prevent slipping. No need to install any driver or software on your PC to drive this volume controller, it will work once you plug it into the device; The volume adjuster directly adjusts your Windows volume which won't cause distortion and noise; If you use it with an OTG cable, it can also be used with mobile phones. The best volume controller for watching videos, playing games, and even various events, weddings, celebrations, conferences, shows, etc