Another simple one that is currently escaping me.

Is it possible to attach the output from an audio object to a send object? I have an untidy patch where it would be useful to route the end of an audio signal to elsewhere, but obviously you can't link a signal outlet to a control inlet.

What the audio equivalent of a send object?

Use [s~] and [r~] (one sender / multiple receivers) or [throw~] and [catch~] (multiple senders / one receiver) for "wireless" audio transmission.