KEF

Bowers & Wilkins

Reference 4 Meta

805 D4

Home Theatre Speaker Specification

Home Theatre Speaker Specification

Dynamic

Dynamic

Uni-Q Driver Array
HF : 25 mm Aluminum Dome With MAT
MF : 125 mm Aluminum Cone
Bass Unit LF : 4 X 165 mm Aluminum Cone

25/165 mm

4 Ohms ( Min.3.2 Ohms )

8 ohm

88 dB

88dB spl

Frequency Response ( ±3dB ) 48 Hz - 35 kHz
Crossover Frequency 450Hz, 2.1kHz
Typical In-Room Bass Response ( -6dB ) 33 Hz
Frequency Range Free Field ( -6dB )
Short Port : 43Hz - 45kHz
Long Port : 40Hz - 45kHz

34 Hz - 35 kHz, 42 Hz - 28 kHz

NA

AC 100V-240 V / 50 Hz / 60 Hz

50 - 400 W ( RMS )

Three-Way Bass Reflex

50 W - 120 W ( RMS )

116 dB

90 dB

NA

No

No

45.2 Kg

15.55 Kg

Speaker : 205 mm X 1090 mm X 463 mm

440 mm X 373 mm X 240 mm

Black, White, Blue, Grey, Silver

Black, White, Grey, Brown

KEF Reference 4 Meta Home Theatre Speaker
User Manual
Warranty Information

Bowers & Wilkins 805 D4 Speaker

Available in 5 finishes
Optimised cabinet design for best acoustic performance.
Enhanced crossover design fine-tuned the signal path for maximum clarity.
The Reference Series Grille set for each model is available as separate item.
With mounting inserts to secure on KEF S-RF1 Floor Stand ( available as separate item ).
Bespoke 12th generation Uni-Q with MAT driver array for exceptional acoustic accuracy.
Metamaterial Absorption Technology eliminates 99% of high-frequency distortion for pure, natural sound.
For movie lovers looking for total immersion, Reference 4 Meta is the last word in absolute quality. Featuring four bass drivers and 12th generation Uni-Q® driver array with MAT™, this centre speaker (can be used as Left-Centre-Right speaker) is a revelation for clarity, detail and emotional depth.

2-Way Vented-Box System.
5-Year warranty Valid from the date of purchase for passive loudspeakers.
Speaker stands improve the audio experience by providing optimal positioning and reducing unwanted vibrations.
Technical Features - Diamond Tweeter, Solid Body Tweeter-On-Top, Continuumâ„¢ Cone Bass/Mid, Matrixâ„¢, Anti-Resonance Plug, Flowportâ„¢.
The 805 D4 stand-mount loudspeaker is the most compact model in the 800 Series Diamond range, but it's still packed with advanced technologies, including the Diamond dome tweeter and the Solid Body Tweeter-on-Top. * Stand(s) not included.
Why step up from 805 D4 to 804 D4? First, 804 D4 is a three-way speaker, with twin 165mm (6.5-in) Aerofoil™ bass cones – and that has huge benefits to its power and scale. Second, as a three-way speaker, it includes a dedicated midrange cone, so voices and other details will sound more accurate.