Subwoofer KEF Kube 8b

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KEF Cod: SP3939BA
Preț de listă 2.999 lei 1.599 lei
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Caracteristici principale

  • Subwoofer activ cu incinta sigilata
  • Difuzor de 20 cm - putere : 300W RMS ( amplificare Clasa D )
  • Raspuns in frecventa: 34Hz - 250Hz ( ±3 dB, anecoic )
  • Reglaje: Crossover / Phase / Gain
  • Intrare: Low Level ( RCA ) / High Level
Specificații tehnice

Link producător:

Greutate produs

11.3 kg

Dimensiuni produs

H x W x D: 293 x 293 x 310mm

Alte specificații

Tip incinta: inchis
Difuzoare: 1 x 200mm
Putere RMS: 300W
Raspuns in frecventa: 34Hz - 140Hz (-6dB)
Frecventa crossover: 40Hz - 140Hz & LFE
Conectica : Low + High level

Garanție (luni)


8 inch bass driver active subwoofer

Don't let its compact size fool you, the Kube 8b may not take up much space but the bass it delivers is anything but small.
With an 8 inch driver the Kube8b is perfect for smaller living rooms. It shares the 300 Watts Class D amp from the bigger Kubes and has iBX technology to extend the bass depth dynamically.

Hear new dimensions in sound with Kube subwoofers

The Kube 8b effortlessly unleashes explosive power. iBX technology extends the bass depth dynamically and KEF’s unique ability to design, build and integrate the driver in-house takes optimisation to a whole new level. Delivering immersive music and home theatre sound that takes you to the heart of the performance.


Go deep or go home. KEF’s design and engineering team worked in chorus to develop iBX. This Intelligent Bass Extension algorithm creates an extended depth that unlocks the full potential of the custom driver. Giving you unparalleled precision and ultimate synchronicity between amplifier, driver and sealed cabinet.

Easy configuration

Kube subwoofers offer unmatched set up flexibility. A range of LFE, line and speaker-level inputs, phase selection and DSP controlled EQ settings help you get the best from a Kube. Put it in a convenient place, match it to any main speaker or type of music system and start exploring new depths in the sound.


KEF is quite possibly the only high-end manufacturer that designs, engineers and assembles the driver, cabinet and circuitry in-house. This level of integration means we are commited to pure sound and the Kube stays true to that ideal. The result is a driver and amplifier that are perfectly in tune.

Technical Specifications

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 Power: 300W RMS

Variable Low Pass Filter: 40Hz – 140Hz, LFE


RCA phono sockets
Speaker level inputs

Power Requirements: 100V - 120V / 220V - 240V ~ 50 / 60Hz 

Weight: 11.3kg

Dimension (H x W x D) with Rear Panel and Feet: 293 x 293 x 310 mm 11.5 x 11.5 x 12.2 in.

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