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6.35mm to 3.5mm Audio Adapter

ADP-635-35

Gold-plated adapter between a 6.35mm jack and a 3.5mm socket.

Type: Adapter
Connectors: 6.35mm / 3.5mm

In-depth technical details

A 6.35mm TRS plug (two insulating bands) carries either unbalanced stereo (tip=left, ring=right, sleeve=ground) or balanced mono line-level (tip=hot, ring=cold, sleeve=ground) -- same physical wiring, different real meaning depending on the device. A 3.5mm TRS plug (one insulating band) carries tip=left, ring=right, sleeve=ground in the common unbalanced-stereo wiring.

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End A

6.35 mm jack

01 Tip Carries the left channel in stereo use, or the whole signal in mono.
02 Ring The right channel. Crackle when you wiggle the plug is this ring losing contact.
03 Sleeve The common ground — the voltage reference the signal is measured against.
04 Insulating bands The black bands keep the conductors apart. Without them the channels short to ground.
05 Strain-relief boot Stops the wires flexing where they leave the plug — the exact point most cables fail.
06 Outer jacket The outer sheath protecting the conductors inside from abrasion and moisture.

Technical illustration, not a photo of the actual product

End B

3.5 mm jack

01 Tip Carries the left channel in stereo use, or the whole signal in mono.
02 Ring The right channel. Crackle when you wiggle the plug is this ring losing contact.
03 Sleeve The common ground — the voltage reference the signal is measured against.
04 Insulating bands The black bands keep the conductors apart. Without them the channels short to ground.
05 Strain-relief boot Stops the wires flexing where they leave the plug — the exact point most cables fail.
06 Outer jacket The outer sheath protecting the conductors inside from abrasion and moisture.

Technical illustration, not a photo of the actual product

From the published standard

How it works

The 3.5 mm and 6.35 mm jack sizes are electrically identical and differ only in size, which is why an adapter between them is just wire with no active electronics. Crackle when the plug is moved is worn contact at the ring, not a fault in the connected equipment.

Electronics: None — passive, same signal at both ends
Difference: Physical size only, not the electrical standard

This information comes from published sources about this type of product, not from the supplier.

en.wikipedia.org

Applications

Connecting a modern device to an older screen
Driving a meeting-room projector

Technical specifications

Type	Adapter
Connectors	6.35mm / 3.5mm

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