We have for sale an Onkyo SKW-391 Passive Subwoofer. The unit has been used, but is in great condition and works perfectly. The subwoofer comes with a speaker cable. Specifications: Type: Bass-reflex type Passive subwoofer Impedance: 6 Ohms Maximum input power: 130 W Sensitivity: 83 dB/W/m Frequency response: 30 Hz to 150 Hz Cabinet capacity: 0.88 cubic feet (25 L) Dimensions (W × H × D): 11-5/8" × 13-9/16" × 14-1/2" (295 mm × 345 mm × 368 mm) (incl. projection) Weight: 14.1 lbs. (6.4 kg) Drivers unit: 8" (20 cm) Cone × 1 Terminal: Spring type color coded Other: Non-magnetic shielding PICK-UP & CASH ONLY NO TRADES Location: office in South San Francisco If you see this post, the item/s are still available. If you are interested, please respond to this listing. If you have any additional questions feel free to email us and we will get back to you