Pioneer TS-WX1220AH Dual 12” Subwoofers in a self-powered enclosure. Used, but in excellent condition, like new. Anyone interested in upgrading their car audio with thunderous bass, amazing sound quality, and a quick and easy connection. Features Bass Boost, LPF, and gains settings for optimal sound tuning. No need for an additional amplifier, this unit is self-powered (with a Class D Amplifier)at 1200 Watts MAX, a Boundary Loaded Bass-Reflex Slot Port Design, and can be positioned in multiple ways for optimal performance. $250 You would be saving over buying new.