Palmer RIVER SAAR Active Isolated Guitar Splitter Y-BoxSo, you want to play your guitar or your bass through two amps at the same time? Great idea! The problem is, it hums. And not just a little bit either. In fact, it makes a real racket. Thankfully, the Palmer saar Guitar Splitter box is here to save the day. The saar separates the ground potentials of both amplifiers and prevents ground loop hum when interconnecting multiple amps. The Palmer saar loops through the input signal passively to amp out 1,