AUX 3.5mm 4-Pole TRRS Male Audio Plug (Metal)
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Prices updated: 13 Oct 2026
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About this product
A metal 3.5 mm male audio plug with four contacts (TRRS), used to carry stereo audio plus a microphone channel, as in phone and laptop headset cables. It is useful for DIY headset cables, audio adapters and repair work. The four solder points must be wired to the correct conductors.
Specifications
- Connector type
- 3.5 mm male audio plug
- Poles
- 4 (TRRS)
- Housing
- Metal
Frequently asked questions
Which wiring standard should I use for TRRS?
Phones use either the CTIA or the OMTP pin order for the microphone and ground. Swapping the ground and microphone lines is the most common wiring issue, so check the pinout of the device or cable before soldering.
What should I check before soldering the four contacts?
Identify the tip, ring 1, ring 2 and sleeve contacts using a multimeter and the device pinout. Keep solder joints clean and avoid bridging adjacent contacts.
