KEF
KEF KUBE12B
Subwoofer, 1 x 12" Woofer, 300W amp
In Stock
Retail: $950.00 EA


Discover sound’s hidden depths with KEF Kube subwoofers. The Kube unleashes explosive power intelligently thanks to iBX technology that extends bass depth dynamically. Delivering immersive music and home theatre sounds that drive you deeper into the heart of the performance.

The Kube 12b features a 12" bass driver powered by a 300 watt RMS bespoke class D amplifier and 3 custom EQ settings for easy placement.

Each elegantly designed, fully sealed unit unleashes explosive power effortlessly, intuitively, intelligently. iBX technology extends the bass depth dynamically, unlocking the full potential of the driver’s power at normal listening levels or even the most extreme. And with KEF’s unique capability to design, build and integrate the driver in-house, we take optimisation to a whole new level. Delivering immersive music and home theatre sounds that drive you deeper into 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.

Kube subwoofers offer unmatched flexibility in configuration. With a range of LFE, line & speaker-level inputs, Phase selection and 3 DSP controlled EQ settings to help match your sub to any room placement, you’re in control right out of the box. Set up the Kube where it’s most convenient to you, match it to any main speaker or with any type of music system and start exploring new depths in your sound.

DESIGN: Powered Subwoofer
DRIVE UNITS: 1 x 300mm (12in.)
FREQUENCY RANGE: 22Hz - 140Hz (±3dB)
MAXIMUM OUTPUT: 114dB
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): 410 x 393 x 410mm (16.1 x 15.5 x 16.1in.)
WEIGHT: 20.6kg

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