Blackstar S1412A Series One PRO 240-Watt 4x12-Inch Angled Speaker Cabinet Standard size angled design 4 x 12 Series One speaker cabinet 12-Inch Celestion Vintage 30 Custom voiced 8 Ohm speakers (x4) Special baffle construction delivers a more balanced midrange response Finger-jointed birch-ply cabinetry; heavy-gauge wiring Select either mono (240W RMS; 8 Ohms) or stereo (120W/Channel; 16 Ohms per) operation