When you measure them measure 'roundtrip' resistance, so short the pins that go in the IEM and measure between sleeve and tip (or ring) Roundtrip resistance of both cables was 1 Ohm and 3.2Ohm. Because the cable was wire the difference was audible. People have a tendency to overestimate their hearing capabilities. Here's a USB cable comparison showing some differences Lush2 audiophile USB cable vs. a generic (came with one of the non-audio USB devices). Lush2 has some jumpers to allow for various shield/ground combinations. It was used in stock configuration, as shipped. Red is Lush2, blue is generic cable: View attachment 31828

Other than the issues above I cannot imagine how a USB cable would affect the sound. Reviews describing cables having certain sound like "warm" or "harsh" are specious in my opinion. My objection was to the blanket statement that for audio over USB (or any high-speed digital link) impedance discontinuities do not matter.

Audiophile USB cables. As file based audio is gaining momentum and many believe asynchronous USB the way to go there is a growing market for audiophile grade USB cables. The question of course is why a cable can have any impact on sound quality. Some say that improved jitter performance of a cable can make a difference.
In theory, Async USB interfaces should be immune to jitter on the USB cable, but there has been a lot of anecdotal reports on asylum that it does make a difference, at least with the current offerings. With Adaptive USB interfaces it certainly makes a difference, so I have gotten to hear quite a few different cables.
Monument, CO. Nov 10, 2019. #6. Aside from a defective USB cable, the largest differences are in shielding and how the ground and power lines are handled at both ends. I remain steadfast in my belief that those things are what make differences among USB cables audible and not the flavor of the bits at the end.
The increasingly popular slim, oval-shaped USB Type-C connector is popping up on all kinds of devices. A USB-C opening is smaller than the familiar rectangular USB-A port that may be on your older power adapter, so the cord in the box won’t fit your old adapter. USB-A is better known without the “A” suffix.
1.5m / 170g (0.37 lbs) Warranty period. 12 months. Two heads are better than one. The Gemini3.0 dual-headed cable is for those discerning users who prefer their music as interference free as possible. It separates the signal and power cables to minimise interference from RFI and EMI while having superior conductivity for maximum signal transfer.
All USB-C cables will work as Thunderbolt 3 cables as long as they are good quality cables. Thunderbolt 3 has a top data transfer speed of 40Gbps as long as the cable is 0.5m (1.6 ft.) or shorter.
In most cases, you'll find USB cables have one standard type-A end and one type-B end of some sort. The type-A end powers the device, while the type-B end receives power. This is to prevent potential damage that would be caused by connecting two computers via USB-A, for example.
Here’s If HDMI Cables Affect Picture Quality: HDMI cables don’t affect the quality of the screen image. HDMI cables are simple cables that either send a signal or do not. The only exception is if you’re using a broken or dented cable that doesn’t deliver a stable signal.
There are a few things to consider when trying to decide if a USB cable makes a difference for audio. The first is the quality of the audio file. If the audio file is of high quality, then it is more likely that a better quality USB cable will make a difference. The second thing to consider is the type of equipment that is being used.

So the question arises, do USB cables make a difference I've used split cables (have 2 LHL 2G split cables) and can hear the difference vs decent quality straight cables. Now that I'm looking for a custom cable I'm curious about your experience with USB Cables. It seems to be a recipe for flame wars on various audio forums.

A lot must depend on a combination of how good your PC power supply is, how well the PCs onboard USB is implemented and how well the USB input on the DAC is designed to cope with noisy USB power. Ditto. I have four DACs currently on hand, ranging in price from $99 to $2000. Three computers. Exactly zero issues.
iboI.
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