XLR cables, worth buying higher end?

On my big Mac amp the extra gain made the amp idle is more prominent. I had to put a pad on the line to get rid of the hiss.

NO!

I get excellent sound quality using Canare Quad Star XLRs from MarkerTec.

They are inexpensive Pro cables used with Pass Labs equipment.

Work better than RCA cables for short (3ft) and long (15ft) runs in most cases.

Mogami W2534 Neglex Quad Pro only $1.59/ft.
Neutrik NC3FX-B and NC3MX-B $18.07 each.
Basic soldering skill in 1 evening and tons of fun, you get yourself a pair of decent XLR Balanced connector.  

Any diff between microphone and interconnect xlr cables?

seems mogami xlr used for interconnect seems a solid choice.  Not hearing much to be gained spending $500 or more for a 3ft xlr pair.

and saying this after spending $3k for speaker cables

Do yourself a HUGE favor. and save at least a grand or two..

https://www.ebay.com/itm/202814766958

This guy has been as solid as a ROCK for over a year. 

54.00 for a pair. 1-3 weeks delivery.  I use a 3 meter pair too, dead quiet super detailed, 200+ hours for break in.. there is NO conditioning on the cables..

A week of conditioning on a cooker will net you about a 100 hour break-in in leu of 2-400. They take a LONG time.. Worth every penny X 100, according to some cable manufactures... I see exactly why TOP cable manufactures use this exact cable. The price NO, The quality yes, TOP TOP TOP of the line...

Good work too.. I'm picky.. I've taken this guy stuff apart several times.. Always the same. "THEY" Lock tight the screws and stuff does stay tight... They say it's silver over copper, it's a silver over copper terminal end...

It does NOT glow in the dark...

Enjoy..