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StarTech ICUSBAUDIO2D USB Stereo Audio Adapter with SPDIF
USB Stereo Audio Adapter with SPDIF for professional IT, AV or industrial connectivity applications.
Frequently asked questions
What is StarTech ICUSBAUDIO2D?
It is a external USB sound card that adds optical SPDIF, 3.5mm audio and microphone connections through USB.
Which connectors are provided?
USB 2.0 Type-A; 3.5mm headphone; 3.5mm TRRS headset/mic; Mini-Toslink SPDIF
What performance is specified?
Up to 96kHz / 24-bit playback; AC3 and DTS pass-through support
How is it powered?
USB powered
What digital audio formats are supported?
The SPDIF output supports AC3 Dolby Digital and DTS pass-through; system and software compatibility still apply.
Does it support 96kHz / 24-bit audio?
Yes. The USB DAC is specified for playback sampling rates up to 96kHz / 24-bit.
What should be checked before ordering?
Confirm operating-system support and whether you need stereo microphone input; 5.1 output is supported on compatible Windows systems only.
What warranty applies?
ICUSBAUDIO2D carries a StarTech.com 2-year manufacturer warranty, subject to the manufacturers terms and eligibility requirements.
Planning a broader setup? Browse the DeviceDeal buying guides.
(ICUSBAUDIO2D)
Why choose ICUSBAUDIO2D?

ICUSBAUDIO2D specifications
Exact-model specifications for compatibility checking. Measurements may be rounded.
| Warranty Information | |
|---|---|
| Warranty | 2 Years |
| Hardware | |
| Bus Type | USB 2.0 |
| Chipset | C-Media CM6533 |
| Material | Plastic |
| Colour | Black |
| Audio Performance | |
| Maximum Playback Sampling | 96kHz / 24-bit |
| Digital Audio | SPDIF with AC3 Dolby Digital and DTS pass-through |
| Surround Note | 5.1 output supported on compatible Windows systems only |
| Microphone Note | Stereo microphone input only |
| Connectors | |
| Host | 1 × USB Type-A |
| Audio | 1 × 3.5mm 3-position; 1 × 3.5mm 4-position TRRS |
| Digital Audio | 1 × 3.5mm Mini-Toslink SPDIF optical |
| Power | |
| Power Source | USB powered |
| Environmental | |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | 0°C to 70°C |
| Humidity | 1090% RH, non-condensing |
| Physical Characteristics | |
| Cable Length | 406.5mm |
| Adapter Dimensions | 47 × 46 × 16mm |
| Weight | 33g |
| What's in the Box | |
| Included | USB stereo audio adapter; software CD; instruction manual |
Sources: https://www.devicedeal.com.au/startech-usb-sound-card-audio-adapter-w-spdif and https://www.startech.com/
| SKU | ICUSBAUDIO2D |
| Barcode # | 65030852296 |
| Brand | STARTECH |
| Shipping Weight | 0.0900kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.170m |
| Shipping Cubic | 0.000850000m3 |
This Australian-version product is supplied by DeviceDeal and is covered by the 2-year manufacturer warranty term listed for this exact product.
- Keep your DeviceDeal tax invoice as proof of purchase.
- Coverage is subject to StarTech.com warranty terms, eligibility and product assessment.
- Warranty service does not replace rights that may apply under Australian Consumer Law.
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