Even thou I have several Mixers I find that with my K-8 i do not need one

l/r out put of keyboard to Powered speakers mic input on keyboard for voc l/r input for Guitar ped or I pad your good for solo gig

5 min set up 5 min break down

at Guitar center they sell little guitar amp stands for floor I have 2 of then it put the powered speaker off the floor at a angle set up in 15 sec no speaker stands too you hear yourself great and audience get great sound

pleany bass in fact I dont even use bass switch most of the times

if you are doing big gig get k-12 sub and you golden good casters for trasport