B & W 803 D4 Flagship 800 Series Diamond floor-standing speakers

B & W 800 Series 3-way Loudspeaker; 1x1" diamond dome high-frequency; 1x5" Continuum cone midrange; 2x7" Aerofoil cone bass units; Freq Res - 19Hz to 28kHz; Sensitivity - 90dB; THD - 1% 80Hz – 20kHz & 0.3% 100Hz – 20kHz; Nominal impedance - 8Ω; Power - 50W – 500W; HxWxD - 45.86" x 14.05" x 20.11"; 62.15kg.