I use my GK MB800 for everything. It goes back and forth to both practice spaces and gigs with me in my bass gigbag. I've been thinking about getting a backup recently too though. I'm between getting a backup head or something like the Tech21 VT DI. I pair the GK with (2) Avatar 210 neo cabs (500 watts @ 8 ohms each) for gigs and only need one for practice (2 bands, one cab at each practice space).