There’s no volume control on the pre-amp output, so you’ll need to find another solution. (EDIT: Actually there is volume control of pre-amp – I was thinking of line- out! Hence this should be useable for Beolabs))
Have a read of the second part of Steve’s response here: https://beoworld.dev.idslogic.net/forums/topic/beomaster-3000-naar-powerlink/#post-5835
You could use the speaker 2 sockets (via attenuator) for the Beolabs. Be aware that the BeoCenter’s ‘Mute’ control would only work for the speaker 1 pair in such a setup, and does not mute the ‘pre-amp’ output.
I am sure that Steve will be along in a minute to confirm the correct cables!
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