dB Technologies SUB 18H
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Active Subwoofer
Semi horn-loaded active 18" Subwoofer, 1500W/PRG digipro™G3 digital power amp, integrated delay (up to 4.5 ms), active stereo X-Over with switchable frequency 90/120Hz, Phase inversion switch, USB port (service data), SMPS with auto-range, 134 dB SPL, 28-150Hz, Dimensions: 524x711x695mm, weight 41.4 kg/91.3lbs