![Focal 8" 250W Passive Car Subwoofer Box & Focal 6.5" 120W Component Speakers & Alpine 300W 2-Channel Amplifier & Large Sound Deadening Bass Package Kit Focal 8" 250W Passive Car Subwoofer Box & Focal 6.5" 120W Component Speakers & Alpine 300W 2-Channel Amplifier & Large Sound Deadening Bass Package Kit](https://www.bassjunkies.com/pub/media/catalog/product/cache/310615b7fc797ec622806d19633dc3e7/t/u/tumbnail_9d4221bc-8b7a-4942-bbb6-583320ac7372.jpg)
Focal 8" 250W Passive Car Subwoofer Box & Focal 6.5" 120W Component Speakers & Alpine 300W 2-Channel Amplifier & Large Sound Deadening Bass Package Kit
![Focal Polyglass subwoofer speakers box design plan,subs loudspeakers for sale | Subwoofer box, Speaker box design, Subwoofer Focal Polyglass subwoofer speakers box design plan,subs loudspeakers for sale | Subwoofer box, Speaker box design, Subwoofer](https://i.pinimg.com/736x/84/05/94/840594077e88652a9fd858c412b01b28.jpg)
Focal Polyglass subwoofer speakers box design plan,subs loudspeakers for sale | Subwoofer box, Speaker box design, Subwoofer
![Amazon.com: Focal BOMBABP20 8” Subwoofer in a Band Pass, Amplified Enclosure, 1 x 300 W Class D : Electronics Amazon.com: Focal BOMBABP20 8” Subwoofer in a Band Pass, Amplified Enclosure, 1 x 300 W Class D : Electronics](https://m.media-amazon.com/images/I/61a5jmlOAuL._AC_SL1200_.jpg)