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Bowers & Wilkins 801 D4 Signature
The 801 D4 Signature is an optimized version of our most advanced loudspeaker. It features meticulously evolved technology, carefully crafted design and unique finishes that culminate in the pinnacle of performance. This is Bowers & Wilkins 800 Series Signature flagship loudspeaker.
Optimized for perfection
The 801 D4 Signature is an optimized version of our most advanced loudspeaker. It features meticulously evolved technology, carefully crafted design, and unique finishes that culminate in the pinnacle of performance. This is Bowers & Wilkins' flagship loudspeaker perfected.
Diamond Dome tweeter
One of our most significant accomplishments over the past two decades, the ultra-stiff, supremely accurate Diamond Dome tweeter is the perfect combination of low mass, exceptional stiffness, and outstanding accuracy. Fifteen years after we introduced it, we haven't found a better tweeter dome technology.
Solid Body Tweeter
Our Solid Body Tweeter-on-Top housing features an elongated form with a longer tube-loading system and an all-new design of tweeter grille, producing an even more free and open sound with high frequencies.
Upgraded crossover
Our 801 D4 Signature uses upgraded rear-mounted crossover designs mounted on stiff aluminum spines. This isolates the sensitive capacitors from the unwanted effects of air pressure within the enclosure and makes for a very effective heatsink to ensure optimum performance when in use.
Aluminum top-plate
Every new 800 Series Signature model has a significantly upgraded cabinet design with an all-new, optimized aluminum top section for even greater stiffness. The same design also provides a perfect mounting point for Leather by Connolly cabinet detailing, with luxurious full-grain blue leather for our Midnight Blue Metallic models and full-grain black leather for our California Burl Gloss models.
Discover 805 D4 Signature
Although we always aim for acoustic excellence, we also create designs that are beautifully crafted, meaningful, and elegant. Our 805 D4 Signature is no exception, with its distinctive proportions, no-holds-barred construction, and luxurious detailing.
Dealers selling Bowers & Wilkins near you
Strikingly transparent midrange and near-studio neutrality define the 801 D4 Signature: a speaker that pairs razor‑sharp imaging with an expansive, holographic soundstage and notably controlled, deep bass. Reviewers highlight upgraded ports, refined crossovers and luxurious finishes that tighten low‑end authority and deliver revealing, large‑room performance without masking musical detail.
Pros
- Reference-level midrange clarity that exposes microdetail and renders vocals with lifelike presence.
- Huge, holographic soundstage with exceptionally stable imaging on‑ and off‑axis.
- Deep, controlled low end—upgraded Aerofoil woofers and stiffer port work together for tighter, more authoritative bass.
- Impeccable build and Signature finishing plus refined crossover components that reduce cabinet and electrical coloration.
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Cons
- Very high price and a significant premium for the Signature treatment compared with the standard D4 models.
- Extremely revealing character—excellent for reference listening but can be unforgiving of poor recordings or system partners.
Sound Quality
96/100
Bass
96/100
Dual 250mm (10") Aerofoil bass drivers, vented-box; reviewers consistently praise deep, room-shaking extension, tight control and texture (15Hz–13Hz claims). Spec'd -6dB to 13Hz supports exceptional low-end authority.
Mid
97/100
150mm Continuum mid with Turbine Head; multiple reviewers call the midrange 'snappy', 'utterly without distortion', 'reference-level' and 'incredibly revealing' with only a slight forwardness noted as a feature.
Treble
93/100
Diamond-dome tweeter delivers very clear, airy highs; several listeners noted extra presence/energy in upper mid/tweeter crossover but no grain—transparent and highly resolved.
Soundstage Imaging
96/100
Holographic, huge and deeply layered soundstage frequently reported; excellent on- and off-axis linearity yields stable, three-dimensional imaging in reviewers' rooms.
Dynamics
95/100
Numerous comments on effortless micro- and macro-dynamics, instant transient attack and slam; reviewers describe 'snap', 'lightning', and nonchalant loudness with authoritative transient control.
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Build Quality
96/100
Massive, well-braced bent-wood cabinet, aluminium Turbine Head and cast aluminium port, upgraded crossover components and premium finishes; reviewers noted near-zero cabinet vibration and superb fit/finish.
Features Connectivity
80/100
Passive tower baseline applied. Bi-wire/binding-post provisions and high-quality crossover parts noted; no modern DSP/streaming expected or penalized.
Value for Money
89/100
Very expensive (~$50k–$55k+ depending on market; product data shows $60k), but multiple reviewers call the Signature an earned premium and 'impressively good value' relative to boutique rivals and its own performance.
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