Klipsch SPL-150 15 in. Subwoofer 800W - Ebony for sale online | eBay
SQL Series B-Stock
FF12 Front Firing Subwoofer (Open-Box) - Earthquake Sound Shop
B STOCK) DC Audio m5 Level 6 15 Dual 2 ohm – Droppin HZ Car Audio
B STOCK) DC Audio m5 Level 6 15 Dual 2 ohm – Droppin HZ Car Audio
Amazon.com: MTX TN8MS Terminator 8 Inch Micro Compact Amplified Subwoofer Enclosure for Small Vehicles with Class A/B Amplifier, Variable Bass Boost, External Bass Control, and Smart Engage Auto Turn On Circuitry :