804 D4 is the entry-level tower speaker model in the 800 Series Diamond range. Step up to 803 D4 and you’ll find larger bass drivers (180mm, 7-in) plus, crucially, the addition of a Turbine™ Head enclosure for the 130mm (5-in) midrange cone, which adds even more spaciousness to the sound.
Bowers & Wilkins 804 D4
$31,999.00
or from $30,499.00 today & 5 weekly interest-free payments of $300.00 with 
The Bowers & Wilkins 804 D4 Tower Speaker is perfect for listeners who crave the performance of an 800 Series Diamond™ tower speaker but prefer a more conventional aesthetic.
The 804 D4 is the perfect choice. Its new cabinet and plinth make it their best-performing 804 yet.
Available for order please inquire for availability of colors.
Classic quality
804 D4 is perhaps more conventional in appearance than other tower speakers in the 800 Series Diamond range, but it’s every bit as sophisticated. Its new Reverse-Wrap cabinet is both a mechanical and acoustic revolution in its class, and its new plinth ensures rock-solid, accurate bass response too.
Aluminum top-plate
Every stereo model in the new 800 Series Diamond range has a significantly upgraded cabinet with an all-new aluminum top-plate. This also provides a perfect mounting point for all-new Leather by Connolly trim, with luxurious black leather for dark cabinets and light grey for lighter finishes.
Reverse Wrap cabinet
Instead of a conventional loudspeaker box, the cabinet in 804 D4 is made from a continuous curved section of wood, with the drive units mounted at the heart of the curvature. This stiffer, more inert structure resists mechanical resonances far better and also ensures better dispersion of sound.
Aluminum plinth
A great speaker needs a rock-solid foundation. The new 804 D4 uses a downwards-firing Flowport exiting on to a solid aluminum plinth complete with a steel constrained layer damping sheet, which controls unwanted resonance. It also has greatly upgraded spikes for maximum stability and durability.
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.
Frequency response: 24Hz to 28kHz (+/-3dB from reference axis)
Frequency range: 20Hz to 35kHz
Sensitivity: 89dB (on axis at 2.83Vrms at 1m)
Nominal impedance: 8 Ohms (minimum 3.0 Ohms)
Recommended amplifier power: 50W – 200W into 8Ω on unclipped programme
Drive units: 1x ø25mm (1in) Diamond dome high-frequency
1x ø130mm (5in) Continuum cone FST midrange
2x ø165mm (6.5in) Aerofoil cone bass units
Dimensions: Height: 1071mm x Width: 306mm x Depth: 391mm
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