Bowers & Wilkins 801 D4 Floorstanding Speakers
The loudspeaker that sets the standard other high-end designs will be judged by for years to come. Endowed with every new technology the 800 Series Diamond has to offer, the reference-quality 801 D4 is an instant icon.
The ultimate Matrix™
Matrix bracing uses interlocking panels to reinforce loudspeaker cabinet walls in all directions internally, reducing resonance and creating a more believable soundstage. The Matrix assembly in 801 D4 is our best yet, upgraded with extensive aluminum bracing to reinforce key stress points.
The all-aluminum Turbine Head houses our Continuum midrange cone in a stiff and critically damped enclosure to eliminate unwanted resonances. At the same time, it’s decoupled from both the bass enclosure and the tweeter body. The result? The most realistic midrange sound yet.
Sometimes, making a big difference takes unconventional thinking. Our new Biomimetic Suspension revolutionizes midrange performance by greatly reducing the unwanted air pressure and coloration that a traditional fabric spider can generate. The result? Midrange transparency you wouldn’t believe.
The science of sound
Innovation is at the heart of everything we do. We question, we examine, we understand and then we evolve. We use computer modelling to explore and reimagine every aspect of loudspeaker design. Learn more about all the technologies that combine to make 800 Series Diamond so special here.
Size & Weight
Dimensions Height: 1221mm (48.1 in)
Width: 451mm (17.8 in)
Depth: 600mm (23.62 in)
Net weight 100.60kg (221.8 lb)
Technical features Diamond tweeter
Solid body Tweeter-on-Top
Continuum™ cone FST
Aerofoil™ cone bass units
Description 3-way vented-box system Drive units 1x ø25mm (1in) Diamond dome high-frequency
1x ø150mm (6in) Continuum cone FST midrange
2x ø250mm (10in) Aerofoil cone bass units
Frequency range 13Hz to 35kHz Frequency response 15Hz to 28kHz (+/-3dB from reference axis) Sensitivity 90dB (on axis at 2.83Vrms at 1m) Harmonic distortion 2nd and 3rd harmonics (90dB,1m on axis)
<1% 30Hz – 20kHz
<0.3% 100Hz – 20kHz
Nominal impedance 8Ω (minimum 3.0Ω) Recommended amplifier power 50W – 1000W into 8Ω on unclipped programme Max recommended cable impedance 0.1Ω
Cabinet finishes Gloss Black
Grille finishes Black