Detail 01
Stereo on both ends
Both left and right channels pass through. A mono adapter would sum or drop one side.

Independent shopping perspective
A 3.5mm stereo female to 1/4" stereo male adapter. For plugging headphone-jack cables or small devices into gear that takes a 1/4" jack.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
Both left and right channels pass through. A mono adapter would sum or drop one side.
Detail 02
Accepts a standard headphone plug. The cable plugs into the adapter, not the other way around.
Detail 03
Plugs directly into amps, interfaces, and mixers with full-size jacks.
Detail 04
Hangs off the jack. Weight sits on the connector, so avoid bumping it in a rack.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. Plug 3.5mm headphones into the female end, then plug the 1/4" end into an amp or interface headphone output.
Stereo. Both channels pass through.
Yes, with a 3.5mm cable from the phone into the adapter. It handles the connector change, not level matching.
No. The 3.5mm side is female and the 1/4" side is male. Reversing that needs a different adapter.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.