Q: Which QED optical cable is best for hi-res audio?

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• Q. Which USB cable is capable of hi res audio?

  Answer: If your amplifier can achieve higher bit rate audio with the USB Audio Input (for example, accepting up to 32bit/384kHz & DSD 256 digital files from Mac or PC), then you would need the QED Reference USB cable.

• Q. Are digital coax cables capable of hi res audio?

  Answer: Ordinary 75 ohm coaxial cable has been used for years as TV aerial cable with frequencies in the UHF band 470 MHz and beyond so 24/384 at 18 Mb/s would be no problem for a cable like this. However with digital coaxial outputs, like all such ...

• Q. Which analogue cable is capable of hi res audio?

  Answer: Your network streamer has already converted the audio from digital to analogue, so it doesn’t matter how digitally fast the cables are because they are working in the analogue domain. Here, you need a cable with unsurpassed analogue audio ...

• Performance Optical - Q. What are the sizes of the plugs on your Toslink to Mini Toslink cable?

  Answer: We can confirm that the Toslink end is 12.5mm and the mini Toslink end is 10.5mm.

• Reference Digital Audio 40 - Q. What is special about the QED Reference Digital Audio 40 plugs?

  Answer: The Reference Digital Audio 40 is made using a cable with a very tight 75 ohm characteristic impedance, however the standard RCA plugs (which have to be used because the domestic S/PDIF connector uses them), are not designed to be 75 ohm. ...