Speaker Wire to 3.5 mm Cable with Connectors 1: 3. 5mm 1/8 TRRS (4-Pole) Male jack
Connectors 2: AV 4-Pin Screw Terminal Block jack please note: Did not when when attached to wifi projector 3.5 mm screw terminal cable connecting single wires with open cable heads to your 3.5 mm jack. 3.5 mm 1/8'' trrs cable it has four total conductors - three signal and a ground as opposed to a more common stereo jack's two. No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs.
Wiring diagram: PIN 1 - red wire; PIN 2 - white wire; PIN 3 - green wire; PIN 4 - black wire.
OMTP standard: PIN1 - Left channel; PIN 2 - Right channel; PIN 3 - Microphone; PIN 4 - Ground.
CTIA standard: PIN1 - Left channel; PIN 2 - Right channel; PIN 3 - Ground; PIN 4 - Microphone. 3.5 mm trrs plug cable is more convenient to use more quickly without welding and you can use the 22-18 gauge to connect.