The Bowers & Wilkins 801 D4 Signature is a reference-grade loudspeaker engineered to deliver ultimate transparency, control, and realism for the most demanding listening environments. As the pinnacle of the 800 Series Signature range, it incorporates carefully upgraded components, refined crossover tuning, and exclusive finishes to elevate performance beyond the standard 801 D4. Its Diamond dome tweeter delivers extended high-frequency detail with astonishing smoothness, while the Continuum midrange driver ensures accurate vocal reproduction and natural tonal balance. Dual Aerofoil bass drivers provide deep, authoritative low-frequency performance with exceptional control. Designed for both professional monitoring and elite home audio systems, the 801 D4 Signature delivers a vast, immersive soundstage with uncompromised clarity and dynamic precision.