KEF Blade - Snow White (Pair) The BLADE's singular HF/MF Uni-Q driver array works in tandem with its four side-mounted bass driver, effectively creating a single, flawlessly coherent unit. To avoid bass frequency dissipation, the LF drivers are mounted back-to-back. This configuration cancels out any unwanted frequencies or coloration, and partly accounts for the BLADE's engagingly musical performance. Two pairs of the finest audiophile quality WBT connectors allow for bi-wiring, or bi-amping, so you can properly harness every single detail of the music you're listening to. The simple low order crossovers employ the best components available, carefully selected by our engineers so that every part of the signal path is fine-tuned for maximum clarity. All crossover components are individually wired by hand, rather than mounted on a conventional printed circuit board. This optimizes both reliability and sound quality by assuring the cleanest possible signal transmission.