Red box classic, active. Battery powered or phantom power 9volt the mixer. Ability to simulate a baffle-type combo or 4x12. Line inputs and amplifier output jack 3.5 format. Low-impedance XLR output to the mixer.

Very easy to use. I use a Laney LC30 II output tube amp (my amp does not have line-out (line out). The output is in parallel to the speaker and the LC 30 to the mixer. wiring diagram clear.

I used it the first time in concert with my U.S. Start. The sound is perfectly rendered breathless particular (to be confirmed, however, in the studio). Of course any feedback due to the making of sound by Micro. It's amazing.

I used it once in concert and I had no problem connecting to the sound. Excellent value for money (85 €). The manual says nothing about the switch on the back of the box, it seems that it is a ground where Hmmm ...
Certainly, a good choice ...