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KEF Q350 Bookshelf Speaker (Black)

PLU: 637203215728
  • Uni-Q 'Single Point Source' Driver Array Disperses Clean and Accurate sound more evenly
  • Damped Tweeter Loading Tube for detailed and natural HF Performance
  • Centrally-positioned Driver Reduces Resonance and Improves Clarity

Not yet reviewed.


The remarkable Q Series bookshelf speakers excel when space is limited. Featuring the signature KEF Uni-Q driver array with Computational Fluid Dynamics (CFD) port design, the Q350s deliver detailed natural sound with high clarity and tight bass.

Key Features

"Sit anywhere" Uni-Q sound
At the heart of the evolved Q Series is the Uni-Q driver array. The signature innovation places the tweeter in the acoustic centre of the midrange and bass cone, bringing the acoustic ideal of a single point source closer than ever to realisation. The result is a more detailed, accurate three-dimensional sound image, which is dispersed more evenly throughout the room than is possible with any conventional speaker. Uni-Q's ultra-wide dispersion is further enhanced through KEF's 'tangerine' waveguide over the tweeter dome.

New system design
To optimise the high resolution purity of the Q Series bookshelf speakers, the Uni-Q driver is repositioned to the center of the cabinet to reduce unwanted internal resonance and adding refinement to sonic clarity and detail. With the addition of the damped tweeter loading tube providing a gentle termination of sound produced from the back of the tweeter, lower treble performance is improved dramatically and a new low-distortion inductor on the crossover provides cleaner bass.

CFD-designed port
Featuring a Computational Fluid Dynamics (CFD) port design with the port repositioned to the rear of the speaker, clarity is improved by reducing the audibility of the midrange leakage through the port.

Technical Specifications


Two-way bass reflex

Drive Units
165mm (6.5in.) aluminium Uni-Q
25mm (1in.)vented aluminium dome HF

Frequency Range Field
42Hz (-6dB)

Frequency Response
63Hz-28kHz (±3dB)

Crossover Frequencies

Maximum Output

Amplifier Requirements

87dB (2.83V/1m)

Nominal Impedance
8 Ohms (min.3.7 Ohms)

H x W x D:
358 x 210 x 306 mm
362 x 210 x 306 mm (with Rubber Feet)

7.6kg (12.3lbs)

Unit Measurement

Speaker TypeBookshelf Speakers
Finish colourBlack
Manufacturer's warranty5 Years
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