When you take things apart, the small gauge OEM wiring of equipment that built the success of so many Makers will surprise you. It is hard to resist ’good/better/best’, but you understand there is much over-doing of things, especially wire gauges.
Use proper speaker wire gauge related to the length from amp to speaker (relative to the driver's impedance).
Roger Russell Speaker Wire Info
Combined Wire Gauge Calculator
Inside, insignificant distances: crossover wire feeds a voice coil. any substantial signal will burn the coil wire, i.e. there ain’t much juice involved