1/0 AWG is a wire of diameter 8.26 mm (do we really need cable capable to handle 150 Amps at least?)
10 AWG has a diameter of 2.59 mm
1/0 AWG copper wire has a resistance of 0.0098 ohms per 100 feet
10 AWG copper wire has a resistance of 0.1 ohms per 100 feet
Compare with 4-8 ohms speaker driver resistance. Do the math, compare the signal loss.
It is amazing how some folks refuse to consider the core laws of electricity.

