If your subwoofer puts out less than 1000 Watts, it's not an HRS Series subwoofer. And, all HRS subwoofers produce this prodigious sound in a cabinet no larger than the size of your monitor

Performance Driver Impedance 4.6ohm Frequency Response 20-100Hz Maximum SPL (inc. room gain) 105dB Power Consumption (120VAC, 50-60Hz) 600W typical Dimensions (W x H x D) 11.5" cube Net Weight 34 lbs