New price low! Adorama has the Definitive Technology Descend DN10 10" 500W Subwoofer w/2x Bass Radiators (DNSUB10BK) on sale for $399 with free shipping. Freq. Response: 30Hz - 200Hz. 200W Continuous (RMS) / 500W Peak Power. Class D Amplifier. Other Definitive sales: 

• Definitive Technology DM95 2-Way On-Wall Surround Speakers for $319
• Definitive Technology Demand Series D5c 2-Way Center Channel for $299