One of those would be the best way to do it I guess. Haven't used one mind you, it's the first result from a google for "guitar splitter". What I forgot to add to my previous post is that I also take a DI feed for amp farm as well. We use an Avalon U5 in the control room, and take a passive split from that to the live room. I've actually had to make a bit of a bodger to get this done and use one of the headphone lines to do so. I've got an unbalanced male to balanced female 1/4" cable that meets a balanced male to female 1/4" line on our snake. I then have a couple of balanced to unbalanced 1/4" jack lines that I connect in the live room. If I'm using more than one amp, I use our passive headphone splitter box. (If I remember correctly, It's just 6 parallel outputs of the input). It's not perfect, but it works. and it goes through the balanced and unbalanced cable stages properly. My concern when I tried it was that the mic line on the snake wouldn't have handled the instrument level signal well, but it seems OK, and that the headphone splitter box wouldn't work. But it does. A studio I worked in years ago had a box called a disseiver (sp?). it had 4 inputs, each with 4 outputs. All the outputs had ground lift and polarity flip switches. There was no gain stage though. That's what I would like to get for the studio I'm in now, but we record so little with amps that it's not really a worthwhile investment when we have a workaround. HTH, Iain