KEF - Kube 12" 300W Powered Subwoofer - Black
Feel the bass with this 12-inch KEF Kube subwoofer. Its built-in Class D amplifier connects directly to mixers, reducing the need for extra cables, and the 114dB output provides a pulsating boom that fills a large room. This sealed KEF Kube subwoofer's flexible configuration lets you design a sound system to match your space.
12" Active Subwoofer
Ensures robust bass with low distortion.
300w Class-d Amplifier With Dsp Preamplifier/eq
Delivers immersive music and home theater sounds that drive you deeper into the heart of the performance.
Intelligent Bass Extension (ibx) Algorithm
Creates an extended depth that unlocks the full potential of the custom driver.
Kef Smartconnect Intelligent Inputs
Automatically detect mono or stereo and adjust the subwoofer volume level accordingly.
Placement Tuning Presets
Include freestanding, wall/in-cabinet, and corner, which means this Kube subwoofer sounds perfect wherever it's installed.
Sealed Enclosure
Provides greater accuracy and delicate musical detail while allowing Kube to be installed in a cabinet.
Lfe (rca), Line-in (rca) And Speaker-level Inputs (phoenix-type Terminal)
Ensure a secure connection.
22 - 140hz (±3db) Frequency Response
Delivers booming lows for an immersive soundscape.
Feel the bass with this 12-inch KEF Kube subwoofer. Its built-in Class D amplifier connects directly to mixers, reducing the need for extra cables, and the 114dB output provides a pulsating boom that fills a large room. This sealed KEF Kube subwoofer's flexible configuration lets you design a sound system to match your space.
12" Active Subwoofer
Ensures robust bass with low distortion.
300w Class-d Amplifier With Dsp Preamplifier/eq
Delivers immersive music and home theater sounds that drive you deeper into the heart of the performance.
Intelligent Bass Extension (ibx) Algorithm
Creates an extended depth that unlocks the full potential of the custom driver.
Kef Smartconnect Intelligent Inputs
Automatically detect mono or stereo and adjust the subwoofer volume level accordingly.
Placement Tuning Presets
Include freestanding, wall/in-cabinet, and corner, which means this Kube subwoofer sounds perfect wherever it's installed.
Sealed Enclosure
Provides greater accuracy and delicate musical detail while allowing Kube to be installed in a cabinet.
Lfe (rca), Line-in (rca) And Speaker-level Inputs (phoenix-type Terminal)
Ensure a secure connection.
22 - 140hz (±3db) Frequency Response
Delivers booming lows for an immersive soundscape.



Feel the bass with this 12-inch KEF Kube subwoofer. Its built-in Class D amplifier connects directly to mixers, reducing the need for extra cables, and the 114dB output provides a pulsating boom that fills a large room. This sealed KEF Kube subwoofer's flexible configuration lets you design a sound system to match your space.
12" Active Subwoofer
Ensures robust bass with low distortion.
300w Class-d Amplifier With Dsp Preamplifier/eq
Delivers immersive music and home theater sounds that drive you deeper into the heart of the performance.
Intelligent Bass Extension (ibx) Algorithm
Creates an extended depth that unlocks the full potential of the custom driver.
Kef Smartconnect Intelligent Inputs
Automatically detect mono or stereo and adjust the subwoofer volume level accordingly.
Placement Tuning Presets
Include freestanding, wall/in-cabinet, and corner, which means this Kube subwoofer sounds perfect wherever it's installed.
Sealed Enclosure
Provides greater accuracy and delicate musical detail while allowing Kube to be installed in a cabinet.
Lfe (rca), Line-in (rca) And Speaker-level Inputs (phoenix-type Terminal)
Ensure a secure connection.
22 - 140hz (±3db) Frequency Response
Delivers booming lows for an immersive soundscape.