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USB switch with DAC

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USB switch with DAC
nosferatu_cat Offline
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#1
08-18-2020, 03:35 PM
I have a Schitt Modi 3 that has one USB input.  I'd like to use it with a Raspberry Pi (with Moode) and my tablet.  Cable swapping is inconvenient because it's hard to get to the back of the DAC.  Would a USB switch, not a hub, work?  I tried a KVM I've had lying around for a long time and was only able to get the tablet to work.  Are there better options?  I asked Schitt and was told that they'd never tried it but that it would probably be safe. 

Anyone with experience with more than one audio source connected to a single USB port?
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nosferatu_cat Offline
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#2
08-24-2020, 03:38 PM
(08-18-2020, 03:35 PM)Solved it.  I bought an inexpensive USB 2 switch.  It works great.  The Pi has to see the DAC when it boots up so I have to be sure that I\m on the right side if I'm rebooting.  Otherwise the Pi will default to the onboard audio outputs.  The switch is tiny, smaller than a Pi, so it takes up very little nightstand real estate.   nosferatu_cat Wrote: I have a Schitt Modi 3 that has one USB input.  I'd like to use it with a Raspberry Pi (with Moode) and my tablet.  Cable swapping is inconvenient because it's hard to get to the back of the DAC.  Would a USB switch, not a hub, work?  I tried a KVM I've had lying around for a long time and was only able to get the tablet to work.  Are there better options?  I asked Schitt and was told that they'd never tried it but that it would probably be safe. 

Anyone with experience with more than one audio source connected to a single USB port?
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RPI4 Rambler Offline
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#3
09-07-2020, 09:44 AM
(08-24-2020, 03:38 PM)nosferatu_cat Wrote:
(08-18-2020, 03:35 PM)Solved it.  I bought an inexpensive USB 2 switch.  It works great.  The Pi has to see the DAC when it boots up so I have to be sure that I\m on the right side if I Wrote: I have a Schitt Modi 3 that has one USB input.  I'd like to use it with a Raspberry Pi (with Moode) and my tablet.  Cable swapping is inconvenient because it's hard to get to the back of the DAC.  Would a USB switch, not a hub, work?  I tried a KVM I've had lying around for a long time and was only able to get the tablet to work.  Are there better options?  I asked Schitt and was told that they'd never tried it but that it would probably be safe. 

Anyone with experience with more than one audio source connected to a single USB port?

Could you please share with us which switch you bought, and where, specs, cost etc. I'd be much obliged! BTW: *some* USB hubs do reduce jitter. I often wonder why DAC manufacturers (or equipment with built-in DACs) don't offer more USB inputs. Particularly receivers and (pre) amps have multiple SP/DIF inputs and/or same outputs, but only one USB input. It's not that they need to duplicate any hardware, just a simple switch, even a mechanical switch could do the switching for input selection (I mean a real old school switch as opposed to an electronic hub or switch).

Thanks,
marco
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