PW-3602 12"Woofer with Wooden Box Magnet:50oz Voice Coil:2.5"KSV Frequency Response:50HZ-18KHZ(-10dB) Sensitivity:96dB(+/-2dB) Impedance:8 Ohm RMS Power:180W 10"x18"Horn 34mm Ti.Diap.Driver PW-3615 15"Woofer with WoodenBox Magnet:60oz Voice Coil:3"KSV Frequency Response:45HZ-18KHZ(-10dB) Sensitivity:98dB(+/-2dB) Impedance:8 Ohm RMS Power:200W 10"x18"Horn 44mm Ti.Diap. Driver PW-36212 2x12"Woofer with WoodenBox Magnet:50oz Voice Coil:2.5"KSV Frequency Response:45HZ-18KHZ(-10dB) Sensitivity:96dB(+/-2dB) Impedance:8 Ohm RMS Power:300W 10"x18"Horn 34mm Ti.Diap. Driver PW-36215 2x15"Woofer with WoodenBox Magnet:60oz Voice Coil:3"KSV Frequency Response:45HZ-18KHZ(-10dB) Sensitivity:98dB(+/-2dB) Impedance:8 Ohm RMS Power:400W 10"x18"Horn 44mm Ti.Diap. Driver