15-inch front-firing active subwoofer

 

Seamless elegance

The sealed cabinet design facilitates optimal placement, while the contemporary design seamlessly blends with the room's decor.

Music Integrity Engine® (MIE)

KEF‘s proprietary DSP (Digital Signal Processing) algorithms ensure that every component of the subwoofer works in perfect harmony. Features such as iBX Intelligent Bass Extension provides even deeper and precise bass at any listening level.

Feel the force

The Kube features a front-firing long throw driver with a large cone area and high excursion, delivering higher output at lower frequencies. Its efficient and cool-running 300W Class D RMS amplifier further enhances performance.

Versatile immersion

The largest model in the Kube range with the highest output, perfect for movies, music, TV and gaming in larger rooms and dedicated home theatres.

Effortless wireless integration

The KW1 enables optimal placement of the Kube without being limited by cables. High-quality wireless transmission ensures the delivery of every nuance and impact from your favourite movies and music.

Well connected

Kube offers versatile connection options, including KEF SmartConnect and speaker level inputs, making connecting into any system a breeze.

3 room position EQ options

The intuitive preset options ensure excellent performance from Kube no matter where in the room it is placed.

Multiple power modes

'Auto wake up' detects audio signals for instant readiness, 'Always on' mode keeps it ready to play instantly, and '12V trigger' provides automatic wake-up.

The right subwoofer for you

 

 

DRIVER UNIT

15" Front Firing

 

FREQUENCY RESPONSE

20Hz (±3dB)

MAX SPL

116dB

 

DIMENSION

519 x 500 x 515 mm

 

OPTIMAL ROOM SIZE *

15 – 70m²

 

*The size of your room is just one of the parameters to consider when choosing a subwoofer, as factors such as applications and room behaviour could also affect overall performance.

 

There are subwoofers…

and there are KEF subwoofers.

Take home the immersive power of deep detailed bass with unrivalled acoustic accuracy that drops you right into the heart of the action. Over 60 years of innovation in crafting award-winning speakers has made us an authority in sound, and our subwoofer range brings home the visceral experience of modern immersive sound like no other for movies, gaming, music, and streaming.

 

 

SPECIFICATIONS

 

Design

Powered Subwoofer (Sealed)

Drive units

1 x 380mm (15in.)

Frequency response

20Hz - 140Hz (±3dB)

Max output

116dB

Amplifier type

Class-D

Amplifier power

300W RMS

Variable low pass filter

40Hz – 140Hz, LFE

Input

RCA phono sockets

Speaker level inputs

Expansion port for KW1

Power requirements

100 - 240V, 50/60 Hz

Power consumption

300VA

Dimension (H x W x D) with rear panel and feet

519 x 500 x 515 mm 

(20.4 x 19.7 x 20.3 in)

Weight 

27.5kg