High performance Subwoofer with powerful punch and ultra low-end response. (Image rights with friendly permission by the manufacturer, find source image here.) Specifications dB 18D Configuration Active Bandpass Subwoofer Low-frequency 18’’ omnidirectional, 4’’ coil Frequency Response (-10 dB) 28 Hz to 150 Hz Crossover Frequency MF-HF 90, 120 Hz Nominal Coverage (-6 dB) 75° conical […]