| Name |
Picture |
Common Usage |
| RCA |
 |
This connector is most commonly used for left/mono or right audio out.
White denotes mono or left stereo out, and red denotes right stereo audio
out. |
| 3.5mm |
 |
This connector is often used as a headphone audio output for devices
such as portable radio/tape/CD players. It is also referred to as "tip ring
sleeve" The mono version only has one black stripe separating the end
segment and the ground. There are even some with three stripes which are
commonly found on some hands-free headset adapters for mobile phones. |
| MIDI |
  |
The DB-15 connector is often found on sound cards as the MIDI/game port
output. It often goes to some kind of audio mixing/producing device which
typically use the DIN-5 connectors. |
| XLR |
  |
This connector is used most often on microphone cables. It is also found
on many other audio output, capture, and mixing devices. There are other XLR
connectors that have up to 9 pins, but these are not standard. |
| 0.25" |
  |
This connector is most commonly found on amplifier inputs and outputs
for electric guitars. |
| Toslink |
  |
The toslink connector uses light pulses rather than electricity to
transmit digital audio such as Dolby 5.1. These are often found on the back
of DVD players and other digital audio/video devices. The mini-toslink is
commonly found on smaller digital audio devices such as MP3 players. |
