So yea i have a 4 channel amp that was used to power a set of component speakers, but swapped out for a newer soundstream amp cause its a bit more powerful. so yea i was looking for $150, obo i suppose. still has all the connection screws. oh and power rating are 50x4 @ 4, or 100x4 @ 2, or 200x2 @ 4 bridged.