I am playing both my Lakland 55-94 fretted and Ibanez GW-1 fretless during our typical 25 minute set each Sunday. Up to this point, I have had to have a distinct break to switch basses or I can't pull it off. Also, the Ibanez has far less output than the Lakland and really needs a different EQ and gain. The Raven Labs PMB-1 appears to be the answer since a) I can have both basses plugged in at the same time, and b) I can EQ them differently and boost the GW-1 as needed. I could take down the gain on the Lakland, but I really would like to keep it hot since it's my main bass. Any of you have experience with this unit? Am I on the right track? I am using a Carvin R600 amp.