max usb cable lenght for audio

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This topic contains 4 replies, has 3 voices, and was last updated by Profile photo of mumu mumu 4 years ago.

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  • #65159
    Profile photo of mumu
    mumu
    Participant

    yep thats it, facing a qpac fixed installation where i have approx 10m of usb cable lenght – does usb audio work with something like this? (example)
    https://www.bhphotovideo.com/c/product/1076683-REG/optical_cables_by_corning_aoc_acs2cva015m20_type_a_plug_to.html

    cheers
    dave

    #65160
    Profile photo of Dick Rees
    Dick Rees
    Participant
    #65175
    Profile photo of DoctorG
    DoctorG
    Participant

    The information Dick gave you seems to be directed at standard USB cables, not the optical cable you have in mind.

    Even with standard USB cables, the maximum lengths given in the specs is designed to work in most applications but can be exceeded in some situations and still work.

    As for the cable you suggested, the same thing probably applies, but they are spec’d as working out to 50 Meters. A 15-meter cable should work for you. However, that doesn’t necessarily mean they will work for every application – the descriptions states “Works with MOST USB 3.0 and 2.0 Devices.” These cables are new enough that you may not be able to easily find the information you need to see if they will work your Qpac. Note that these optical cables do not carry power – only works with self-powered devices.

    Contact the vendor tech support or the manufacturer. They will probably say – “What’s a Qpac?” So that means you may have to just try one and ask the vendor if you can return it. Buy from Amazon – they will take it back if it doesn’t work.

    #65179
    Profile photo of Dick Rees
    Dick Rees
    Participant

    It would be handy to know what is being connected and why.

    #65217
    Profile photo of mumu
    mumu
    Participant

    thanky guys. customer has no money – no optical….

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