Having been accused of behaving like a 12yo might qualify me to respond to the OP.
When I wired Burger Yachts the flexibility of marine "romex" made everything easier, especially in tight spaces and J boxes. Marine cable has many fine strands to survive vibration and flexing. However, some have maintained that soldered (tinned) wire isn't good for audio nor are multiple strands of wire contacting each other. I've seen, supposed, photos of audio signals (apparently the upper harmonics) showing "good" & "bad" varieties of cables. Not having A/B'd them, a B & S might also be involved; so marine wire may be just the ticket, depending on the facts and our ability to hear different distortions.
Interesting ...
I have some high strand count OFC that improved the high and mid clarity from my tube amp but not at all on either of my SS amps ...YMMV
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