Seismic Audio SA-212USA 2x12 Guitar Extension Speaker Cabinet - 8 Ohms - 300W RMS USA Flag Grill Design Model Number - SA-212USA Woofer -Two 12 each has a 30oz magnet with a 2 kapton voice coil 300 Watts RMS -500 Watts Peak Wired at 8 ohms 45Hz 2000Hz