10”Subwoofer                       12”Subwoofer                         15”Subwoofer

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:500W                    Max power:700W                     Max power:900W

Voice Coil:2” 4-Layer              Voice Coil:2” 4-Layer               Voice Coil:2.5” 4-Layer

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