8" 600W Car Under Seat Slim Amplifier Subwoofer Enclosure Bass HiFi Speaker Amp

Max Power: 600W. Sound type: full frequency (with treble) subwoofer. 1x Subwoofer Speaker. -- Low frequency ability of the bass horn, high quality low tone output. Voice Coil: Dual. -- Easy to install, can be installed directly under the driver's seat.

eBay