FAQ What is the continuous power of HD10 subwoofer? HD10 subwoofer comes with 750W continuous power.What are the features of HD8 subwoofer? HD8 subwoofer offers 500W continuous power, dual opposing heavy passive radiators, vibration absorbing feet, and a small, space-saving footprint.How to install the HD10 or HD8 subwoofer? Follow the installation instructions provided in the official manual for effortless setup.