SPR-15UA Alu Basket
SPR-15A Steel Basket
Woofer:  15",Paper Cone 
Tweeter：  Compression Driver,44mm Ti Diaphragm 8Ohm,50W  
Freq.Resp:  40~20Khz 
Rms:  180W
voltage: 110/230V/AC/60-50Hz
 
SPR-15U Alu Basket
SPR-15 Steel Basket
 Woofer:  15",Paper Cone 
 Tweeter：  Compression Driver,44mm Ti Diaphragm 8Ohm,50W 
 Freq.Resp:   40Hz~20Khz 
Cabinet Material:   MPPO 
Rms:  180W