Audio connectors and video connectors are electrical connectors (or optical connectors) for carrying audio signal and video signal, of either analog or digital format. Analog A/V connectors often use Shielded cable to inhibit radio frequency interference (RFI) and noise.
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Audio connectors are electrical connectors designed and used for audio frequencies. They can be analog or digital. Common audio connectors include:
| white RCA/TS | analogue audio, left channel; also mono (RCA/TS), stereo (TRS only), or undefined/other |
| black RCA/TS/TRS | |
| grey RCA/TS/TRS | |
| red RCA/TS | analogue audio, right channel |
| orange RCA | SPDIF digital audio |
For computers:
| green TRS 3.5mm | stereo output, front channels |
| black TRS 3.5mm | stereo output, rear channels |
| grey TRS 3.5mm | stereo output, side channels |
| gold TRS 3.5mm | dual output, center and subwoofer |
| blue TRS 3.5mm | stereo input, line level |
| pink TS 3.5mm | mono microphone input |
There are exceptions to the above:
Video connectors carry only video signals. Common video-only connectors include:
| yellow RCA/BNC | composite video |
| red RCA/BNC | red or Pr/Cr chrominance |
| green RCA/BNC | green or luminance |
| blue RCA/BNC | blue or Pb/Cb chrominance |
| white BNC | horizontal sync |
| black BNC | vertical sync |
Newer connectors are identified by their shape and not their colour.
Some connectors can carry both audio and video signals simultaneously:
Other composite connectors that carry video, audio, power, and USB:
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