PA Speaker Cabinet BX-67(10") Subwoofer: 10" Magnet: 15oz Impedance: 8ohm Voice Coil: 1.5" Cone: Foam Edge, Paper Cone Tweeter: 2x3" Max Power: 500W Sensitivity: 90dB Size(mm): 300x225x455 BX-127 15" Carpeted Speaker Box Magnet: 40oz Voice Coil: 2" Cloth Edge, Paper Cone Midrange: 6.5" Dome Tweeter Max Power: 800W Frequency Response: 30-18kHz Impedance: 8ohm Sensitivity: 90dB Size: 545x430x1010mm BX-86(12") Subwoofer: 12" Magnet: 25oz Impedance: 8ohm Voice Coil: 1.5” Cone: Cloth Edge, Paper Cone Tweeter: 4x10" Max Power: 1000W Sensitivity: 90dB Size(mm): 380x310x860 BX-42(10") Subwoofer: Double 10" Magnet: 30oz Impedance: 8ohm Voice Coil: 1.5" Cone: Cloth Edge, Paper Cone Tweeter: 3x3.4" Max Power: 500W Sensitivity: 90dB Size(mm): 355x315x940