I have two units for sale. These are passive subs, meaning you need an outboard amp to use them. Check Audioreview.com for user reviews - it was a popular sub. Gloss Piano Black finish. BRAND NEW, never opened, original NHT boxes are still sealed. These are A Stock units. I purchased them from an authorized dealer, but I do not have original receipt. I meant to use them for my system, but I no longer need them. Price is $200 each. Price includes shipping to 48 states. Price is $175 each for local pick up, I am in NJ. Cash (local) or Money Order. No PayPal. If interested, please EMail me: Ampbouy1@aol.com My EBay name (for references): Ampboy1 Thanks for looking. Rich B.