Hi, it's only audible if it's very quiet or from next to the speaker, I can try but if it picks it up it will probably enhance/make it louder on the recording, unless you want just to get the idea on how it sounds. Like I said it sounds the same by just leaving the DAC side of the RCA cables unplugged, so might just be when the Element X goes to standby it opens the circuit instead of "shorting" it, grounding.
I've attached the recording here, couldn't work out how to send via PM, hope it works.
I've attached the recording here, couldn't work out how to send via PM, hope it works.