*TSP-15UA TSP-15A *2-WAY MOLDED SPEAKER BOX WITH 400W AMP *Woofer: 15",3"V.C,4Ohm,50~400Watts Paper Cone *Tweeter: Compression Driver,44mm Ti *Diaphragm 8Ohm,60W *Freq.Resp" 40Hz~20KHz *Cabinet Materials: MPPO *Rms/Max: 180/450Watts *Voltage: 110/230V/AC/60~50Hz