// we have to copy the input, because we may alter the buffers with the amp
// in-place, which a send must never do.
- if (_panshell && !_panshell->bypassed()) {
+ if (_panshell && !_panshell->bypassed() && role() != Listen) {
_panshell->run (bufs, mixbufs, start_frame, end_frame, nframes);
} else {
if (role() == Listen) {