Focal P25FE Sub Flax Evo Series 10 Inch 4 Ohm Component Subwoofer 300w RMSFocal P 25 FE Flax Evo Series 10" 4 ohm component subwoofer Flax to the max If you've heard Focal speakers, then you know that their reputation for quality is well deserved. Focal's designers never hesitate to think outside the box when it comes to speaker innovation. To create their Flax Evo Series speakers and subs, for example, they spent five years developing a super lightweight, extra rigid cone material made from a layer of flax fibers