... Speaker BoxWoofer 12''woofer,40OZ,50mm VC,4Ohm/8OhmTweeter 25mm Ti.Diap.driver,10 OZ,8OhmSensitivity 94±2 dB/M/WFrequency 40 ... BoxWoofer 15''woofer,50OZ,50mm VC,4Ohm/8Ohm Tweeter 25mm Ti.Diap.driver,10 OZ,8OhmSensitivity 96±2 dB/M/WFrequency 40 ...