# Vented bass subwoofer enclosure # Pro Eighteen® 18 inch premium woofer # Optimized internal low-pass crossover network # Pole mount adapter # 400 watts program power handling # 40 Hz - 180 Hz (+/-3 dB) # 95 dB at 1W/1m # 8 ohms # Dado jointed 3/4 inch MDF construction # Heavy-duty powder-coated metal grille # Weight Unpacked: 73.50 lb(33.339 kg)