This is a high quality Boston Tvee Model Two Replacement Subwoofer. It features 7" Woofer, and Adjustable Volume.
High Roll Double Laminated Foam Surround. Expanded and Rolled Steel Basket. Magnet Motor Heatsink with Heat Pump Cooling Technology. Solid Core Magnet Motor Structure. Linear Progressive Conex Spiders. Integrated High-Current Tinsel Leads. High Temperature Aluminum Voice Coil Former. Ultra Saturated, High "BL" Magnetic Motor Gap. Extended Pole Technology. Stylized Magnet Protection...