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Small black box with Toslink and RCA ports, AC adapter included

Monoprice Inc.

Monoprice 102948 S/PDIF Toslink to Digital Coaxial Audio Converter

SKU CH-ZE26-M25MM

Converts an optical Toslink input into a digital coaxial RCA output using the shared S/PDIF standard, powered by an included 6 VDC adapter

  • Product typeAudio Adapters
  • Converts optical Toslink to digital coaxial RCA
  • Bridges equipment with different S/PDIF connections
  • Compact design fits behind equipment racks
  • Includes 6 VDC 3A AC power adapter
  • Model 102948 from Monoprice Inc.

Optical to Coaxial Audio Converter

The Monoprice 102948 converts a digital optical Toslink input into a digital coaxial RCA output. It bridges equipment that uses different S/PDIF physical interfaces. The unit is powered by an included 6 VDC AC adapter. Its compact footprint allows it to sit discreetly behind an equipment rack.

Signal Direction and Interface

This adapter accepts an optical Toslink signal and outputs an electrical digital coaxial signal. It does not convert in the reverse direction. The conversion relies on both formats sharing the same underlying S/PDIF data standard. No additional drivers or software configuration are required for operation.

Suited for Simple Format Bridging

It suits users connecting a source with a Toslink port to a receiver or processor with only a coaxial digital input. Buyers needing to convert coaxial to optical should look elsewhere. Anyone requiring multi-channel format decoding or sample-rate conversion beyond the S/PDIF specification will need a different device.

How it compares

Measured against everything we stock in Video Signal Converters, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 70% of the 1,459 comparable items (median $17.99).

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Specifications

Product
Brand nameMonoprice
Product line102948
Model name102948
Product typeAudio Adapters

Questions about this item

What does the S/PDIF conversion actually do for my audio chain?

It translates the optical Toslink light signal into an electrical coaxial RCA signal so equipment with only coaxial input can receive the same digital audio stream.

Which digital audio interface standard does this converter use on both sides?

Both the Toslink input and the coaxial RCA output carry S/PDIF-formatted digital audio, so the signal format stays identical across the conversion.

What physical space and power does the unit need to sit in my rack?

The box measures under three by two inches and ships with a 6 VDC 3 A AC adapter, so it only needs a nearby mains outlet and a small flat surface.

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