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Small black box with optical and coaxial ports, USB power cable included

Vszerda

Vszerda Bi-Directional Coaxial Optical Audio Media Converter 192KHz

SKU CH-ZM7H-3EPD5

A bi-directional digital audio converter that switches between optical Toslink and coaxial SPDIF, supporting PCM up to 192 kHz 16-bit and Dolby or DTS formats.

  • HDMI portsOptical
  • Power supply5 V
  • Spec summaryLUKFOCAB
  • Included items1*Digital Audio Converter, 1*USB Power Cable
  • Bi-directional conversion switches between coaxial and optical inputs
  • Supports Dolby, DTS, AAC and PCM up to 192KHz sampling
  • Plug-and-play operation with built-in signal amplification for longer runs
  • Powers from any 5V USB source using the included cable
  • Works with Blu-ray players, consoles, soundbars and amplifiers

Bi-Directional Digital Audio Converter

The Vszerda converter translates between coaxial SPDIF and Toslink optical formats in either direction. A front-panel button selects the active input without unplugging cables. It accepts stereo PCM up to 192KHz and 16-bit depth plus Dolby, DTS and AAC bitstreams. The unit suits anyone connecting a source and a receiver that use different digital interfaces.

USB-Powered Signal Repeater

A 5 V micro-USB cable supplies power; no driver installation is required. The built-in amplification chip regenerates the digital stream, extending the practical cable run between components. It fits between Blu-ray players, game consoles such as Xbox 360, satellite receivers, HDTVs, sound bars or amplifiers that expose either optical or coaxial ports. The package includes the converter and the USB power cable only.

Noise-Free Operation Under Continuous Load

The amplification stage maintains signal integrity over long sessions, preventing drop-outs that can appear on unbuffered passive adapters. Because the device simply re-clocks and re-drives the incoming SPDIF stream, sustained playback does not degrade timing or introduce jitter beyond the source. It is not suited for multichannel formats beyond the listed stereo PCM and compressed bitstreams.

How it compares

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

Price $18.99
Cheaper than about 73% of the 286 comparable items (median $27.99).

Specifications

Product
Brand nameLUKFOCAB
Model nameDigital Coaxial to Optical Converter
Part numberT2CBAC-USB
Ports & slots
HDMI portsOptical
Power
Power supply5 V
In the box
Included items1*Digital Audio Converter, 1*USB Power Cable

Questions about this item

What is the highest PCM sampling rate the converter supports?

The unit handles PCM up to 192 kHz at 16-bit word length, so sustained high-resolution stereo streams stay within spec.

Does the device need active cooling when running continuously?

No fan or heatsink is mentioned; it draws 5 V from the supplied USB cable and relies on passive dissipation.

Which power source must I provide for the converter to operate?

A 5 V USB supply is required; the box includes a micro-USB power cable but no wall adapter.

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