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Small black box with one Toslink input and two outputs, short integrated cables

SMUGDESK

SMUGDESK 2-Way SPDIF Toslink Optical Audio Splitter 1 Input 2 Output

SKU CH-PSPC-4H3PM

Splits one digital optical audio signal to two devices simultaneously using light-based transmission that eliminates electromagnetic interference and requires no external power

  • Splits one optical signal to two devices simultaneously
  • Lossless digital audio via light-based transmission
  • No external power or drivers needed to operate
  • Immune to electromagnetic interference and ground-loop noise
  • Works with TV, PS4, soundbars and other Toslink gear

What the splitter does

This compact optical audio splitter takes a single SPDIF Toslink input and duplicates the digital signal to two output ports simultaneously. It is designed for users who need to send the same audio feed to two devices such as a soundbar and a headphone amplifier, or a TV and an external DAC, without converting to analogue.

Signal behaviour under continuous use

Because the device uses passive light-based transmission, it does not amplify or regenerate the optical signal; it simply divides the incoming light between the two outputs. The split signal remains lossless for the duration of the session, provided the source maintains a stable optical level and the connected cables are within standard Toslink length limits.

Thermals noise and power

The splitter requires no external power supply and contains no active electronics, so it generates no heat and adds no electrical noise to the audio chain. Optical isolation inherently prevents ground-loop hum and electromagnetic interference, keeping the background noise floor at the level of the source equipment alone.

Highlights

  • Splits one optical signal to two devices simultaneously
  • Lossless digital audio via light-based transmission
  • No external power or drivers needed to operate
  • Immune to electromagnetic interference and ground-loop noise
  • Works with TV, PS4, soundbars and other Toslink gear

Specifications

No published specifications for this item yet.

Questions about this item

Does the splitter need a power adapter if I leave it running all day?

No, the unit is entirely passive and draws no external power; it simply routes the optical signal from one input to two outputs.

What must I already have to connect this splitter?

You need a source device with a standard Toslink SPDIF optical output and two playback devices each with a Toslink optical input.

Will it work with my older DVD player that only has a Toslink port?

Yes, any device equipped with a standard Toslink SPDIF optical port — including legacy DVD players — can serve as the source or as one of the two outputs.

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