The flexible cable is of good quality.
No
I find this cable to be very balanced, detailed and musically pleasing!
Essential if you have a Sonos product.
No
It solved the problem of not working by using a 'compatible' adapter, the Sonos Era 100 started only after connecting it with this adapter.
It sounds incredible, it's a beautiful cable.
No
I use Hidiamond D4 power cables through my stereo system. This is one of the best cables I've tried, it sounds incredibly natural and allow the music to flow in a wonderful soothing smooth way. If you're a fan of smooth fluid sound, these power cables are for you.