Kr4's answer is probably the only correct one possible in the US anyway.
Power cord will transmit the ac electric signal at that frequency and then the its the rest of the gear's job to modulate it into frequencies representing the sound.
Power cord itself has little to do with it beyond that I would say.
Power cord will transmit the ac electric signal at that frequency and then the its the rest of the gear's job to modulate it into frequencies representing the sound.
Power cord itself has little to do with it beyond that I would say.