This in-line adapter adds a manual volume control to any 3.5mm headphone setup that lacks one. It plugs directly into the audio source and provides a 3.5mm jack for connecting your existing headphones, letting you fine-tune volume without adjusting the source device.
It works as an attenuator, reducing the input signal to a lower level rather than boosting it. When the wheel is turned fully open, output matches the original input volume; turning it down lowers the volume from there. This makes it useful for pairing low impedance headphones with devices built for higher output loads, such as in-flight entertainment systems, or for taming audio equipment with unusually high output levels.
- Total cable length: approximately 10 inches
- Connector type: 3.5mm plug and jack
- Function: manual volume attenuator (reduces volume only)
- Color: Black
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