KEF E301 Satellite Speakers - White/Satin Features KEF's patented 4.25" Uni-Q Driver which spreads sound over a wider, even area so you and your guests can experience amazing sound quality anywhere they sit. Matte finish is complemented by satin chrome cast aluminium bases that simply rotate to form wall brackets. Beautifully engineered bespoke stands are also available (sold separately). Desk stand doubles as sturdy wall mount.