You're not missing anything. The 124 and 128 are designed to drive their own speakers. If you want to have a single set of speakers for both the M1 audio and the 124/128 audio, you could run the two outputs through a small mixer amp.
ano's suggestion is a nice, inexpensive, off-the-shelf solution.
A speaker-level to line-level converter is nothing more than a voltage divider network consisting of a couple of resistors and perhaps a trim pot to allow for adjusting the level.
You can see how it's done in this ridiculously overpriced Russound converter.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.