Of course cables make a difference the signal or power passes through them. Whether your system can reveal the difference and you can hear it is what matters. The best ones, like the best components should be neutral and let the music come through, not emphasizing certain frequencies.
One caution - they are the biggest markup of any product (not including hocus focus tweaks) possible as the cost to manufacture is much lower than any other product. The law of diminishing returns is quicker IMHO with cables than anything else.
One caution - they are the biggest markup of any product (not including hocus focus tweaks) possible as the cost to manufacture is much lower than any other product. The law of diminishing returns is quicker IMHO with cables than anything else.