The 6.35mm (quarter-inch) TRS connector is the professional audio standard used in guitar amplifiers, mixing consoles, studio monitors, and music equipment. Can be wired as balanced TRS or unbalanced TS.
| Pin | Name | Function | Type |
|---|---|---|---|
| T | Tip | Audio positive (or left channel) | ADC |
| R | Ring | Audio negative (balanced) or right channel | ADC |
| S | Sleeve | Ground / shield / return | GND |
The 6.35mm (quarter-inch) TRS connector is the professional audio standard used in guitar amplifiers, mixing consoles, studio monitors, and music equipment. Can be wired as balanced TRS or unbalanced TS.