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Q650c Stereo Speaker Pair
$1,499.98
Two channel stereo speaker pair
The Q650c centre channel speaker features the KEF signature Uni-Q driver array and a new crossover, it brings the on-screen action right out into the room, creating precise, captivating dialogue. Use as a center channel, two channel stereo pair, or three channel L/C/R system.
Magnetic grilles sold separately.
Product Features

"Sit anywhere" Uni-Q sound
The Uni-Q driver array places the tweeter in the centre of the midrange and bass cone, bringing the acoustic ideal of a single point source closer than ever. The result, enhanced by KEF's 'tangerine' waveguide over the tweeter, is a more accurate three-dimensional sound that's dispersed evenly throughout the room.

Tweaking the tweeter
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.

A word about drums and bass
The Q Series reproduces the nuances of bass instruments with ease. With a larger roll surround and new suspension KEF drivers produce cleaner bass at high volumes.
A new cone structure improves midrange clarity and an enhanced Auxiliary Bass Radiator (ABR) with a new surround and rear suspension enhances bass quality.

New system design
Putting the Uni-Q driver in its own sealed cabinet reduces the load on the cone and increases clarity and detail while delivering cleaner bass. Midrange clarity is enhanced by driver improvements that mean the DC blocking capacitor to be eliminated from the crossover, allowing a more natural roll-off between drivers.

Reviews
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Spec
Model | Q650c Center Channel Speaker |
Design | Two and a half-way bass reflex |
Drive Units | Uni-Q driver array: HF: 25mm (1in.) vented aluminium dome MF: 165mm (6.50in.) aluminium Uni-Q LF:165mm (6.5in.) aluminium ABR: 165mm (6.5in.)aluminium |
Frequency Range Free Field (-6dB) | 55Hz |
Frequency Response (±3dB) | 64Hz - 28kHz |
Crossover Frequency | 2.5kHz |
Amplifier Requirements | 15-150W |
Sensitivity (2.83V/1m) | 87dB |
Maximum Output | 110dB |
Nominal Impedance | 8Ω (min.4.2Ω) |
Weight | 13.6kg (30 lbs) |
Dimension (H X W X D) | 210mm (8.26 inches) x 629mm (24.76 inches) x 304mm (11.96 inches) |
Dimension (H X W X D) *with Rubber Feet | 214mm (8.42 inches) x 629mm (24.76 inches) x 304mm (11.96 inches) |
** KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. **
Press and Awards

Q650 Loudspeaker Review - Hi-Def Digest |
"...the two 6.5" drivers and one 6.5" ABR deliver clear vocals and distinct imaging across the front soundstage. In swapping between the Q650c, old iQ6c, and a $200 center channel from another brand, returning to the Q650c is a delight thanks to its accuracy. You can even set them to "large" in your AVR's speaker settings with a 60Hz crossover and come away with no distortion. That's impressive. In an age where most people (understandably) go for a simple sound bar system, three cheers for a nice, beefy center channel that can keep up with its badass tower brothers.” |
Year: 2018 |
Magazine / Issuing Body: Hi-Def Digest |
Country of Publication: United States |
Product: Q650 Center Channel Loudspeaker |

Q650c 5.1 Speaker Review |
"These speakers have little trouble blistering through the trigger-happy car chase of the opening scenes - they use every ounce of their muscle to pin us back into the sofa.” |
Year: 2017 |
Magazine / Issuing Body: What Hi*Fi? |
Country of Publication: United Kingdom |
Product: KEF Q350 Bookshelf Speaker Pair, Q650c Center Channel, KUBE10b Subwoofer |
Downloads
Q2017 Series Information Sheet | • Open In New Window • Download |
Q2017 Product Manual | • Open In New Window • Download |
Q Series Brochure | • Open In New Window • Download |
Product Drawing | • Open In New Window |
DXF File | • Download |
DWG File | • Download |