Frequency response (± 3dB): 30Hz - 250Hz * Input: Left, right, LFE electronically balanced/10kOhms 3-pin XLRF, variable * Output: Left, right 3 pin XLRM in parallel on inputs * Construction: 22mm MDF panels with internal braces * Dimensions with spikes: 17.1" x 14.4"x 17.3"