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We Love to Listen
KEF Blade
KEF Blade



The world’s first Single Apparent Source loudspeaker.

Brand: KEF
Product Type:  
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The world’s first Single Apparent Source loudspeaker.

  • Design Three-way bass reflex,
  • Single apparent source
  • Driver configuration
  • Drive Units Uni-Q driver array:
  • MF: 125mm (5in.) Li-Mg-Al /LCP hybrid cone
  • HF: 25mm (1in.) Al dome

Bass units:

  • LF: 4 x 225mm (9in.) with force cancelling
  • Frequency range free field (-6dB) 28Hz - 45kHz
  • Frequency range typical in room bass response (-6dB) 20Hz
  • Frequency Response (±3dB) 40Hz - 35kHz ±3dB (-6dB at 28Hz)
  • Crossover frequency 350Hz, 2.3kHz
  • Amplifier requirements 50 - 400 W
  • Sensitivity (2.83V/1m) 91dB
  • Harmonic distortion 2nd & 3rd harmonics (90dB, 1m) <0.5% 40Hz – 100kHz <0.2% 200Hz – 10kHz
  • Maximum output (peak sound pressure level at 1m with pink noise) 117dB
  • Impedance 4Ω (min. 3.2Ω)
  • Weight 57.2 kg (126 lbs)
  • Dimensions - with plinth (H x W x D) 1590 x 363 x 540 mm (62.5 x 14.3 x 21.2 in.)


  • Piano black (std)
  • Snow white (std)
  • Racing red
  • Warm metallic grey
  • Light metallic silver
  • Frosted blue
  • Frosted copper black

The world’s first Single Apparent Source loudspeaker.


Innovation has always been at the core of KEF and one of the main things that sets it apart from the competition. Founded in 1961 by Raymond Cooke OBE, a former BBC electrical engineer, Cooke was keen to experiment using new materials and technologies to produce superior sounding acoustic products. Throughout the past 50 years KEF has led the industry and pioneered new technologies that have pushed the boundaries in acoustic speaker design.

From Hi-Fi speakers through Wireless speakers to Home Cinema sound systems, KEF has an impressive range of stunning sounding speakers that will help you redefine a great listening experience. Fill your room with sound and be transported into the movies with the KEF R500 5.1 home cinema pack which includes a set of KEF R500 floor standing speakers for truly impressive sound.

Audiophiles and music enthusiasts the world over love KEF loudspeakers and their range of speakers regularly win industry awards not just for their innovative design and features but for the quality of their sound. If you’re looking to upgrade your hi-fi’s speakers then look no further than the great value KEF loudspeaker range.