Bowers - Wilkins 803 D4 Technical features Diamond tweeter     Continuum™ Cone FST™     Anti-Resonance plug     Aerofoil™ cone bass units     Flowport™     Optimised Matrix     Solid body tweeter     Tweeter-on-Top       Description 3-way vented-box system       Drive units 1x ø25mm (1 in) Diamond dome high-frequency     1x ø130mm (5 in) Continuum™ cone FST™ midrange     2x ø165mm (6.5 in) Aerofoil™ cone bass units           Frequency range 20Hz to 35kHz           Frequency response (+/-3dB from reference axis) 24Hz to 28kHz           Sensitivity (1m on axis at 2.83Vrms) 89dB              Harmonic distortion 2nd and 3rd harmonics (90dB, 1m on axis)     <1 % 70Hz - 20kHz     <0.3% 120Hz - 20kHz           Nominal impedance (min) 8Ω (minimum 3.0Ω)        Recommended amplifier power 50W - 200W into 8Ω on unclipped programme       Max. recommended cable impedance 0.1Ω        Dimensions Height: 1019mm (not including feet) Width: 238mm Depth: 345mm   Net weight 33kg (73lb)       Cabinet finishes Gloss Black Satin White Rosenut   Grille finishes Black Grey   POROS Kaina: 8998,00 €