2 × 15" 2 Way Main + 4 × Wharfedale Pro Delta 18B Sound Check

Speaker: 4 × 15" 2 Way Custom Made Mains, 2 No. disconnected in this video Speaker Amplifier: Custom "FP10000Q" 4 Channel at 1250W RMS per channel at 8 Ohms DBX DR260 Speaker Crossover: 70hz, LR 12db per octave Subwoofer: 4 × 18" Wharfedale Pro Delta 18B Subwoofer Amplfier: Custom "FP20000Q" 4 Channel at 2200W RMS per channel at 8 Ohms DBX DR260 Subwoofer Crossover: 65hz, BUT 18db per octave. HPF at 25hz, BUT 24db per octave