300 x 1 at 2 Ohms. 200 x 1 at 4 Ohms. 1200 watts max. Class AB monoblock. Fuse size: Must be externally fused- 8 ga. cable-40A fuse recommended. 4 ga. cable-80A fuse recommended. Dimensions (WxHxL): 7 7/8" x 2" x 13-1/4".