Hi!
My subwoofer (PB 2000 Pro ) is connected to Minidsp.
So far I have tested 3 cables:
1. Diy cable with all the expensive material = hum.
2. Ready to use cable $5 (Vention/Ugreen) = hum.
3. Cheap $2 RCA cable (5 meters) with very thick rubber = no hum.
The thing is, the cheap RCA is...