I have a one year old Vidsonix subwoofer 10" and 100 watts of power that was used sparingly in a bedroom. It's a very powerful sub that does a good job. I used it with the gain set at only 25% and it was plenty powerful. Build quality is exceptional. Weighs in at 42.5lbs. Has auto/on feature, volume control, crossover adjustment 35-150hz, RCA & line level(Speaker wire)imputs, See description and reviews at http://www.vidsonix.com/vidsonixnew/...ometheater.htm Will sell for $90.00 Shipped or will work out price for local pickup. Paypal accepted to confirmed addresses only.