Delivering immersive music and home theatre sound that takes you to the heart of the experience, the Kube 12b Subwoofer from KEF effortlessly unleashes explosive power. Using Intelligent Bass Extension (iBX) technology to create an extended depth that unlocks the full potential of the custom driver gives you unparalleled precision and ultimate synchronicity between amplifier, driver and sealed cabinet. 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 position, match it to any main speaker or type of music system and start exploring new depths in the sound, perfect for creating a deep and clean rumble in large rooms.

Technical Specifications:

• Design: Powered subwoofer (sealed)
• Unit measurement: One piece
• Drive units: 1 x 300mm (12in.)
• Power requirements: 100V - 120V / 220V - 240V ~ 50 / 60Hz
• Frequency response: 22Hz-140Hz (±3dB)
• Variable low pass filter: 40Hz - 140Hz & LFE
• Maximum output: 114dB
• Amplifier power: 300 Watts RMS
• Amplifier type: Built-in Class-D
  
• Inputs: RCA phono sockets speaker level inputs
• Analogue input: RCA phono sockets speaker level inputs
  
• Finish: Black
• Product code: SP3941BA

• Weight: 20.6kg
• Dimensions: (with rear panel and feet) 41cm H x 39.3cm W x 41cm D