Power RMS / max. P 300 / 600 Watts Impedance z 2 x 2 Ω / 1 x 4 Ω / 1 x 1 Ω Max. linear excursion Xmax +/- 6.0 mm Port tuning frequency Fb 37 Hz Sensitivity 1 W / 1 m SPL 88 dB Dimensions (H x W x D) 132 x 725 x 350 mm / 5,2 x 28,5 x 13,8“ Recommended DSP settings recommended ″self-define″ highpass filter with 37 Hz cut-off frequency and Q = 1.2 additional EQ filter 95 Hz / Q = 0.7 / -3 dB