Aluminium basket 10" 12" 15" 18" available high performance woofer 3 cooling systems 4 inch vc 18" PA WooferAluminium basket, non-pressed paper cone with cloth edgeVoice Coil: 4"Magnet Weight: 125ozPower Handling: 600 Watts RMSImpedance: 8 OhmFrequency: 50Hz~1.8KHzSensitivity: 95dB15" PA WooferAluminium basket, non-pressed paper cone with cloth edgeVoice Coil: 4"Magnet Weight: 125ozPower Handling ...