18 inch professional audio 1X18inch woofer , 4 inch VC, 185OZ Professional low frequency subwoofer 18 inch professional audio1X18inch woofer , 4 inch VC, 185OZProfessional low frequency subwooferImpedance:8 OhmFrequency response:35HZ-250HZ+/-3dBOutput power/ Peak:700w/1400wSensitivity:102dB/W/MMaximum SPL: 133dB/SPLConnectors:2x NL4MP 4 -POLE SPEAKONSize:(WxHxD):598x508x750mm 18 inch professional ...