Home › Forums › Products › Stompboxes › is it possible to use one h9 in the effects loop of two amps at the same time? › Reply To: is it possible to use one h9 in the effects loop of two amps at the same time? February 9, 2015 at 6:49 pm #127513 caribefatboyParticipant Well, I tried it out and works great! The Radial does its job and the H9 appears to be true stereo all the way through, so I am getting a really rich, thick sound out of my two amps simultaneously and in stereo.
