10”Woofer                            12”Woofer                              15”Woofer

Rubber Surround IMPP Cone  Rubber Surround IMPP Cone    Rubber Surround IMPP Cone

Impedance:4/8 OHM               Impedance:4/8 OHM                Impedance:4/8 OHM

Max power:300W                   Max power:400W                     Max power:500W

Voice Coil:2”                          Voice Coil:2”                           Voice Coil:2.5”

Sensitivity:87 dB/W/M             Sensitivity:88 dB/W/M              Sensitivity:89 dB/W/M

Magnet:40 Oz                         Magnet:50 Oz                          Magnet:60 Oz