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The KEF Classic iQ70 is a full-range floorstanding speaker.

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Front bass ports provide excellent low-end resonance - foam bungs offered controlled muffling for optimal response

1 agrees

Overall construction quality is fantastic - back and sides of enclosure form a continuous curve, promoting stiffness and reducing lateral standing waves

1 agrees

Wide variety of wood-print options tailors the unit to a wide variety of tastes and room themes - real wood veneers provide even further options

1 agrees

Wire-link connectivity provide increased reliability between terminal components - much preferred to brass strips used on many lower-quality units

1 agrees

Excellent tonal balance at low to mid volume levels - frequencies are smooth and clear, especially amongst spoken-word dialogue and vocal music

1 agrees
  • Only 3 words are allowed.

Overall low-end outputting is somewhat disappointing - missing presence and drive, even when positioned correctly

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Not recommended for listening at maximum volume levels - unwanted coloration and "aggressive" overtones begin to appear between the 8-10 levels

1 agrees
  • Only 3 words are allowed.


The KEF Classic iQ70 is a full-range floorstanding speaker. This is an expansion of the KEF Classic iQ50 design, with similar components that have seen an increase in size and power. A 6.5 inch low-frequency drive unit works with a 6.5 inch Uni-Q that is coupled with a 0.75 inch tweeter for mids and highs. This creates a frequency response ranging from 36Hz up to 40kHz, and allows signals as strong as 150 watts to be sent to the speaker. A high 8 ohm impedance and magnetic shielding work together to keep the signal as clean as possible.

  • Two and a half-way bass reflex
  • Drive Units: 165mm (6.5in) LF, 165mm (6.5in) Uni-Q. 19mm (0.75in) aluminium dome HF
  • Crossover Frequencies: 2.5kHz
  • Sensitivity (2.83V/1m): 90dB
  • Maximum Output: 111dB
  • Amplifier Requirements: 15-150W
  • Magnetic Shielding
  • Impedance: 8 Ohms
  • Frequency Range: 36Hz - 40kHz
  • Plinth Dimensions (H x W x D): 28 x 288 x 348 mm (1.1 x 11.3 x 13.7 in.)
  • Weight: 14.0kg (30.9lbs)
  • Dimensions (H x W x D): 865 x 220 x 327 (34 x 8.7 x 12.9 in)
  • Finishes: Black Ash, Dark Apple, American Walnut
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