CactusPete23
1000+ Head-Fier
Use a data only USB cable. That way no power can be sent.
The HIBY R3 I- Removed info on Earlier R3 Versions - Added R3 II Specifications
- Thread starter CactusPete23
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elvispreasley
Member of the Trade: Perun
Never heard about such a cables. Do you have a link for it?
CactusPete23
1000+ Head-Fier
OOPS, My Mistake. I have a "data only" USB Micro cable. But it seems there are none available for USB-C... Perhaps USB-C design does not allow Data Only cables? Sorry, I'm not a cable expert.
I am curious about the Qobuz app on the R3 Pro — does it have both a parametric equalizer and MSEB? If one uses the R3 as transport for a USB-connected external DAC, can you still use the EQ/MSEB settings or do they only affect the sound from the internal DAC?
elvispreasley
Member of the Trade: Perun
According to how any other transport works, your EQ and other sound timings should be transferred to the connected DAC. Have a strong feeling that R3 here is not an exception.
MarkParity
Formerly known as User9876
What USB does your DAP have? Micro B or C? if its micro B then there are USB cables available that prevent the DAP charging the connected device.
I use this one with my Oppo HA2SE: https://www.oppodigital.com.au/products/oppo-ha-2-cable-usb-micro-b-to-type-c-data-cable
elvispreasley
Member of the Trade: Perun
I need exactly the same cable, but are you sure that it made specifically with the feature of do not charging the connected DAP? Cause I don't see see any statement about it
rlw6534
Headphoneus Supremus
elvispreasley
Member of the Trade: Perun
Here we have statement in the description about the "non charging" feature. Looks like a good way out to try. Thank you!
rlw6534
Headphoneus Supremus
Just tried some Google searches. Glad to help out. Also found this one (faster shipping):
https://www.amazon.com/Fiio-CL06-Type-Micro-Cable/dp/B07DLQ2XYZ/ref=sr_1_1?crid=2XX7LESHN3RES&dchild=1&keywords=fiio+cl06&qid=1616067040&sprefix=fiio+cl,aps,173&sr=8-1
Obviously not tested by me on R3 Pro. I actually have this cable for my FiiO Q5s.
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rlw6534
Headphoneus Supremus
You want me to test it for you?
elvispreasley
Member of the Trade: Perun
I'm afraid that this not going to work. In the description it says that it's not charging the device because of OTG from the both ends.
I have OTG cable for USB type C and OTG cable for micro USB + I have USB type A cable from both sides. So I conected 2 OTG cables with USB type A cable and then connected DAP with R3 - still charging.
Jus called my local technician friend and he told me that he used to deal with the similar case before and the solution was to add resistor to the charging conductor of the cable. The goal is to find the lowest possible resistor, which letting the both devices see each other, but in the same time minimized discharging to the close to zero level. He said that its no possible to stop discharging completely as power exchange is one of the requirements of such a connection, but it's possible to minimize it a lot, so it's not going to bother as an issue.
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elvispreasley
Member of the Trade: Perun
Thank you a lot for your kindest offer! I don't think that it's going to work in my case, due to the test I described above, but it seems that I found a solution, which I also described in a previous post.
Anyway, really appreciated for you kindest help and amazing effort!
Anyway, really appreciated for you kindest help and amazing effort!
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rlw6534
Headphoneus Supremus
I am testing now. R3 Pro USB-C out => FiiO CL06 cable => Fiio Q5s micro-usb in. The Q5s does not indicate charging.
elvispreasley
Member of the Trade: Perun
Hm...Thank you for this information. I do have same Fiio cable, but with micro usb from both sides, so I can use USB type C - micro USB adapter and then connect both devices with the cable. Will be really surprised if the discharging will not shows up.
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