Bowers & Wilkins 804 D4 Floor-standing speaker (Pair)

Technical features
Diamond tweeter
Solid body Tweeter-on-Top
Continuum^™ cone FST
Anti-Resonance plug
Biomimetic Suspension
Matrix^™
Aerofoil^™ cone bass units
Flowport

Description
3-way vented-box system

Drive units
1x ø25mm (1in) diamond dome high-frequency
1x ø130mm (5in) Continuum cone FST midrange
2x ø165mm (6.5in) Aerofoil cone bass units

Frequency range
20Hz to 35kHz

Frequency response
24Hz to 28kHz (+/-3dB from reference axis)

Sensitivity
89dB (on axis at 2.83Vrms at 1m)

Harmonic distortion 
2nd and 3rd harmonics (90dB,1m on axis)
<1% 90Hz – 20kHz
<0.3% 120Hz – 20kHz

Nominal impedance
8Ω (minimum 3.0Ω)

Recommended amplifier power
50W – 200W into 8Ω on unclipped programme

Max. recommended cable impedance
0.1Ω

Dimensions
Height: 1071mm
Width: 306mm
Depth: 391mm

Net weight
36.85kg

Finishes
Cabinet:
Gloss Black