SUBWOOFER Model:L-218B Description The POPE Professional® L-218B sub-woofer utilizes band pass technology. The system incorporate two 18" transducers. The sub-woofer produces sound pressure level (SPL) of 126 dB continuous on axis at 1 meter with a power input of 1 watt and having capable to produce peak output of 132 dB SPL on axis at 1 meter. The sub-woofer can handle 2400 watts power (continuous) with 24dB/octave Butter-worth high pass filter. The sub-woofer enclosure constructed with exterior grade birch plywood. The front net of the sub-woofer covered with powder coated perforated steel grille. Tags : Professional L218B subwoofer | subwoofer enclosure | Butterworth high pass | band pass technology | perforated steel grille | grade birch plywood | sound pressure level | dB SPL | peak output | L218B Description | watts power | power input | axis | meter | transducers | powder | filter | POPE