Optical TOSLINK cable carrying S/PDIF digital audio over fiber optic. Supports up to 5.1 surround sound (compressed Dolby Digital/DTS) or uncompressed 2-channel PCM stereo. The most common TV-to-soundbar connection for digital audio. Immune to electromagnetic interference.
Connection Endpoints
| End A | Optical TOSLINK (S/PDIF) (male) |
|---|---|
| End B | Optical TOSLINK (S/PDIF) (male) |
Specifications
| Protocol | S/PDIF Optical |
|---|---|
| Max Resolution | N/A |
| Consumer Tier | Optical TOSLINK |
Length & Physical
| Max Passive Length | 10m |
|---|---|
| Min Bend Radius | 30mm |
Backwards Compatibility
spdif
Notes & Compatibility
Maximum recommended length is 10m — signal degrades beyond that. Cannot carry Dolby Atmos or DTS:X (lossless surround). For lossless surround, use HDMI eARC instead. Fiber optic cable is fragile — do not bend sharply (minimum 30mm bend radius).