One 12" speaker, 8 OHM, 500 Watt (at 4 Ohms) amp... ... I love it when guitar players ask me to turn down and I'm at 3! Quite a powerful amp that is more importantly nice sounding! Everyone is impressed by its size, weight, and volume output. When I start doing gigs again, I will invest in a 210 cab or maybe just another 112, but for *any* jam session, this has more than enough umph!