If deep and powerful bass is what you want and the package has to be compact, than the HGS-10BG will do it. It has a powerful 1000W Class D amp inside which runs amazingly efficient and yet provides the much needed power to pump its 10″ bass driver. It has a high pass crossover so you can connect the preouts of your preamp into the HGS-10BG and then let its crossover filter out the upper mids and highs into your power amp which drives your L and R speakers.
Cosmetically, the subwoofer looks really good. Very minor polishing swirl marks on its gloss black finish but nothing major. We don’t have the original box but will securely pack this for safe shipping. Copy of manual included.