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  • The KUBE 8b is a 300W 8" front-firing, sealed box powered subwoofer whose output is powerful as much as it is musical.
  • Each KUBE comes with 3 pre-programmed custom EQ settings - free standing, corner, and wall and in-cabinet installations - to best suit the setup of your room.
  • Customize your KUBE even further by adjusting the gain, phase, low pass filter, and crossovers to your liking and listening habits.
  • The KUBE 8b subwoofer features KEF Smart Compression limiting, which allows the subwoofer to play louder and remain dynamic and effortlessly musical
  • Enjoy KEF Smart Connect, which automatically detects whether an LFE or stereo input is connected and adjusts subwoofers volume level accordingly.

KEF Kube8b Subwoofer, Black

HK$3,980.00 Regular Price
HK$3,470.00Sale Price
  • Design Powered Subwoofer (sealed)
    Drive Units 1 x 200mm (8in.)
    Frequency Response 34Hz - 140Hz (-6dB)
    Max.Output 105dB
    Amplifier Type Built-in Class D
    Amplifier Output Power 300W RMS
    Variable Low Pass Filter 40Hz - 140Hz & LFE
    Analogue Input RCA phono sockets Speaker level inputs
    Power Requirements 100V - 120V / 220V - 240V ~ 50 / 60Hz
    Dimensions (with Rear panel and feet / H x W x D) 
    293 x 293 x 310mm (11.5 x 11.5 x 12.2in.)
    Weight 11.3kg

​Free Local Delivery by S.F. Express is provided on orders over HK$199.

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