Alpine Type R SWR1022D Subwoofer
 

I have two SWR1022D subwoofers, that I never got around to installing.

Specs are

Type-R Series Subwoofer
Frequency Response: 26Hz – 500Hz
Kevlar Reinforced Pulp Cone
Custom Cast Aluminum Frame with Integrated Perimeter Venting and Heat Transfer Plate
Dual Voice Coil Design
Mirrored Progressive Nomex ® Spiders with Reinforced Layer Integrated Tinsel Leads
Compound Radius Curve (CRC) Motor Structure
Multi-Stage Thermal Management System
HAMR Surround and Concealed Mount Gasket
Aluminum Airflow Motor Cover
Insert Push Terminals with One-sided Layout
Designed and Engineered in the USA
Dual Progressive Oversized Nomex® Spiders
Dual Stacked Magnets
Dual Voice Coil Design
Extra Length Extended Pole
Flared Pole Vent
High Strength Brass Voice Coil Bobbin
Integrated Tinsel Lead Design
Kevlar Reinforced Pulp Cone
Magnetically Optimized Motor Structure (Pat. Pend.)
Oversized Parabolic Dustcap
Diaphragm Material: Kevlar Reinforced Pulp
Spider Material: Nomex
Power Handling Capacity (Peak): 1500W
Power Handling Capacity (RMS): 500W

185$ for each or 350 for the pair.