This is a nice quality Aiwa TS-W35U Subwoofer. It features an impedance of 8 ohms.
Coustic subwoofers are designed to deliver high performance power at an unbeatable price. Polypropylene cone with excellent stiffness to weight ratio allows for high efficiency and high SPL. Large foam surround increases efficiency by further reducing weight. The all new Coustic subwoofers offer a solution for any enthusiast at an extreme value.
Brand new 8" car audio speaker subwoofer sub in enclosed enclosure box ready to install with built in tweeter. Features:: Impedence: 4ohm Voice Coil: 1 1/2 Magnet Size : 20 Oz Power :1200 p.m.p.o color: Black Size: 8" Carrying Handle Model:BB-808C 2-Built-In tweeters Regular Speakers Inputs +/- Dimensions: 16" Width x 9 1/4" Bottom Depth x 6" Top Depth x 10" Height.