Butterworth low-pass filter at 12dB/Oct. with variable cutting frequency (50-200 Hz), Subsonic filter, phase control (0 180), and adjustable bass-boost 06 db @ 45Hz. ^^ Defeatable filter to use the sub dedicated output of a processor. ^^ High-level audio input on multi-pin connector for maximum OEM integration and low level on RCA for aftermarket sources. ^^ ART turn on function (Automatic
Remote Turn-On) selectable among: Remote-in, Hi-level, Audio signal. ^^ Box with ultra-low profile ( 6.22 in. / 158 mm) in air suspension, designed to take full advantage of the performance of the 10 inch high-impedance driver.