Bring immersive, cinematically vertical Dolby Atmos sound or surround sound home with the Q50a Dolby Atmos-Enabled Surround Speaker. Equipped with the latest Uni-Q driver array and other advanced technologies, dynamics are excellent and the performance is accurate and clean.


Q50a is expertly tuned by KEF acoustic engineers to bring extraordinarily immersive, cinematically vertical Dolby Atmos sound into the home using precision ceiling reflection when placed on top of Q Series speakers. It is also easily mounted on the wall using dedicated keyholes, creating a high-fidelity home surround sound experience that melds seamlessly with the newest Q Series speakers. Its Damped Tweeter Loading Tube produces a detailed and natural high frequency sound. Part of the Q Series family, Q50a’s visual design shares elements with other Q Series speakers, allowing it to blend seamlessly into contemporary interior design.

KEF Q50a Dolby Atmos Module

  • Model Q50a Dolby Atmos Speaker
    Drive Units 130mm (5.25in.) aluminium Uni-Q
    25mm (1in.) vented aluminium dome HF
    Frequency range Free Field ( - 6dB) – 96Hz - 19.5kHz
    Frequency Response (±3dB) 105Hz-18.5kHz
    Crossover Frequency 2.5kHz
    Amplifier Requirements 10 - 100W
    Sensitivity (2.83V/1m) 86dB
    Maximum Output 106dB
    Nominal impedance 8 Ohms (min.4.6 Ohms)
    Weight 4.25kg (9.4 lbs) Measurement per unit
    Dimension (H x W x D) Measurement per unit
    174 x 180 x 259 mm
    178 x 180 x 259 mm with rubber feet