18-Inch Passive Subwoofer Axial Sensitivity (SPL, 1 W @ 1 m) 96 dB Connector Type Dual NL4 Coverage (Nominal -6 dB) H 90 ° Coverage (Nominal -6 dB) V 60 ° Enclosure Material 15 mm, plywood with EVCoat Frequency Response (-10 dB) 35 Hz - 300 Hz Half Space Measurement Frequency Response (-3 dB) 50 Hz..
15-Inch Two Way Passive Loudspeaker Axial Sensitivity (SPL, 1 W @ 1 m) 96 dB Full Space Measurement Connector Type Dual NL4 Coverage (Nominal -6 dB) H 90 ° Coverage (Nominal -6 dB) V 60 ° Crossover Frequency 1.6 k Hz Enclosure Material 15 mm, plywood with EVCoat Frequency Response (-10 dB) 50 Hz - ..