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Black rectangular daughter card with optical and coaxial ports on a metal rear bracket

SMUGDESK

SMUGDESK 24Bit 192KHz SPDIF Optical Coaxial Digital Audio Daughter Card with Baffle Bracket, Black

SKU CH-2JC6-DZ02X

Adds 24-bit/192 kHz SPDIF optical and coaxial digital audio output to a desktop PC via a rear-panel bracket

  • Lossless 24-bit 192 kHz digital output preserves every audio detail
  • Dual SPDIF optical and coaxial ports connect to any external DAC or amplifier
  • Standard rear I/O bracket fits any desktop chassis for secure installation
  • Pure digital transmission eliminates analog noise from internal PC components
  • Compact daughter card adds high-fidelity output without crowding the motherboard

Internal SPDIF daughter card

The SMUGDESK daughter card adds pure digital audio output to a desktop PC through a rear-panel expansion slot. It targets enthusiasts who want lossless signal paths to external DACs, amplifiers or AV receivers without relying on motherboard analogue jacks. Builders needing analogue line-level outputs or multi-channel surround encoding will not find those functions here.

Thermals noise and power

The module draws its operating power directly from the PCIe slot and contains no active cooling, so it adds no audible fan noise or measurable heat to the chassis. Pure digital transmission isolates the signal from internal electromagnetic interference generated by the power supply and graphics card. No thermal throttling or power-management features are present because the circuit operates well within the slot budget.

Baffle bracket and connectivity

A standard black metal baffle bracket is included for fixed mounting in any vacant rear expansion slot, keeping cabling tidy and secure. Dual interfaces — Toslink optical and RCA coaxial — let you match the input on your external decoder or amplifier without adapters. Windows driver configuration is required before the 24Bit 192KHz stream becomes active, after which the connection is plug-and-play.

Highlights

  • Lossless 24-bit 192 kHz digital output preserves every audio detail
  • Dual SPDIF optical and coaxial ports connect to any external DAC or amplifier
  • Standard rear I/O bracket fits any desktop chassis for secure installation
  • Pure digital transmission eliminates analog noise from internal PC components
  • Compact daughter card adds high-fidelity output without crowding the motherboard

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the SMUGDESK SPDIF daughter card and which step do people often miss?

Mount the included black metal baffle bracket into a free rear expansion slot, then connect the daughter card to the motherboard's internal SPDIF header; the step often missed is enabling the digital output in Windows sound settings after driver installation.

What maintenance or replacement will the SMUGDESK SPDIF card need over time?

The card has no moving parts or consumable components; maintenance is limited to keeping the optical Toslink port and coaxial RCA jack free of dust with occasional compressed air cleaning.

What is the first limit I will hit when using the SMUGDESK SPDIF card for sustained high-resolution playback?

The maximum supported digital audio format is 24-bit depth at 192 kHz sampling rate; any source exceeding that specification will be downsampled or rejected by the card.

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