I don’t have a ground on my headphones. How would I wire this product?

Stereo headphones require two circuits to allow driving each headphone element individually with right and left channel audio. Both circuits may share a common return wire to complete each channel's circuit. Headphones require a significant amount of power so any interference to the signal by stray electromagnetic fields would be insignificant enough to eliminate the need for a shielded cable. Headphone cable only requires 3 conductors, one each for the right and left channel and one return wire. If shielded cable is used it would be connected to the same plug contact as the common wire. If the wire is unshielded only the common wire would be connected, typically to the "sleeve", the plug conductor nearest where the cable exits the plug. The left channel is connected to the plug conductor at the end, the "tip". The right channel is connected to the remaining plug conductor, the "ring".

Gauge what is the gauge of the main wire and also the gauge of the smaller white, red and black wires inside? thanks

They are about 21-23 gauge. But fine for usual intended audio/ speaker applications. Could handle modest 5-12v charging applications…

Have Logitech computer speakers with bad wire. Do I need 2 pole or 3 pole plug and wire?

Assuming that your Logitech speakers are stereo, they would use a 3 pole plug and wire. It's most likely whatever device you plug the speakers into has a stereo output jack. Using a 2 pole plug would result in shorting the stereo outputs together which could damage the device.

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🎶 Fix your sound, own the vibe — never miss a beat!

DOUBLE THE VALUE - Includes 2 cables, so you’re always ready to fix or customize multiple devices without missing a beat.
EFFORTLESS INSTALLATION - Pre-peeled and tinned bare wire pigtails make soldering a breeze—no fuss, no delays.
UNIVERSAL COMPATIBILITY - Perfectly pairs with speakers, headphones, subwoofers, amplifiers, and Hi-Fi systems for flawless sound.
PRECISION WIRING CLARITY - Color-coded wires (Red-left, White-right, Black-ground) ensure perfect channel alignment every time.
PLUG PLAY AUDIO REVIVAL - Seamlessly repair or upgrade your audio gear with a reliable 3.5mm TRS male plug adapter.

The Fancasee 3.5mm to speaker wire adapter is a 12-inch TRS stereo male plug cable with pre-peeled, tinned bare wire ends designed for easy soldering. Compatible with a wide range of audio devices including speakers, headphones, and amplifiers, it ensures precise left/right channel wiring and reliable audio connections. Sold in a convenient 2-pack for versatile repair and customization needs.

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