Hi @arafiq
The 3p is the standard grounded cable.
The 2p is ungrounded.
It is useful for eliminating ground or audio loops traveling through the ground leg of the wire.
As long as your amp is grounded using the 2p is up to you.
But if you are experiencing no hum or frequency interference I would go with the 3p
Because being a conventional grounded cable the 3p is good to go in any & all applications.
Cheers,
P.B.
The 3p is the standard grounded cable.
The 2p is ungrounded.
It is useful for eliminating ground or audio loops traveling through the ground leg of the wire.
As long as your amp is grounded using the 2p is up to you.
But if you are experiencing no hum or frequency interference I would go with the 3p
Because being a conventional grounded cable the 3p is good to go in any & all applications.
Cheers,
P.B.