"jack_connect SuperCollider:out_3 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_4 system:playback_2".unixCmd;
"jack_connect SuperCollider:out_5 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_6 system:playback_2".unixCmd;
"jack_connect SuperCollider:out_7 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_8 system:playback_2".unixCmd;
"jack_connect SuperCollider:out_9 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_10 system:playback_2".unixCmd;
"jack_connect SuperCollider:out_11 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_12 system:playback_2".unixCmd;
"jack_connect SuperCollider:out_13 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_14 system:playback_2".unixCmd;
"jack_connect SuperCollider:out_15 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_16 system:playback_2".unixCmd;
"jack_connect SuperCollider:out_17 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_18 system:playback_2".unixCmd;
"jack_connect SuperCollider:out_19 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_20 system:playback_2".unixCmd;
"jack_connect SuperCollider:out_21 system:playback_1".unixCmd;
"jack_connect SuperCollider:out_22 system:playback_2".unixCmd;
I remember doing it once, but maybe only with eight channels, which are the maximum that my dear jackd seems to want to show me.