Bowers & Wilkins 805 D4


The unique 805 D3 is the only speaker of its size to feature the Diamond dome tweeter, isolated in its own solid-body tweeter assembly for precise imaging and clarity.

Mounted atop the main enclosure, the Diamond dome tweeter in its solid aluminum housing delivers space, ambience and precise soundstage imaging.

Voices and instruments are delivered with purity and precision, thanks to the smooth, accurate Continuum™ cone mid/bass driver.

The 805 D3’s front-venting port allows superb weight from a speaker so compact, with Flowport™ technology speeding and smoothing the airflow for powerful bass without distortion.


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Technical features:

Diamond tweeter

Continuum™ cone bass mid

Anti-resonance plug


Optimized Matrix

Solid body tweeter


Description: 2-way vented-box system

Drive units:

1x ø25mm (1 in) Diamond dome high-frequency

1x ø165mm (6.5 in) Continuum™ cone bass midrange

Frequency range: 34Hz to 35kHz

Frequency response (+/-3dB from reference axis): 42Hz to 28kHz

Sensitivity (1m on axis at 2.83Vrms): 88dB

Harmonic distortion:

2nd and 3rd harmonics (90dB, 1m on axis)

<1 % 70Hz – 20kHz

<0.6% 120Hz – 20kHz

Nominal impedance (min): 8Ω (minimum 4.6Ω)

Recommended amplifier power: 50W – 120W into 8Ω on unclipped program

Max. recommended cable impedance: 0.1Ω


Height: 424mm

Width: 238mm

Depth: 345mm

Net weight: 12.6kg (28lb)


Gloss black. Satin white. Rosenut prestige