Product highlights:

• frequency response: 20-140 Hz (±3dB)
• proprietary Music Integrity Engine (MIE) leverages custom digital signal processing algorithms to provide optimal, accurate bass response from each model in the Kube family
• built-in Class D amplifier delivers 300 watts RMS
• custom-designed 15" woofer
• compatible with the KEF KW1 wireless subwoofer adapter kit for easy room placement
• iBX (Intelligent Bass Extension) digital signal processing provides deep, dynamic bass at any listening level
• 3 placement presets (free standing, in-cabinet, or corner) let you choose your sub's location for optimal bass performance
• variable low-pass crossover (40-140 Hz)
• phase control switch (0°/180°)
• line-level/LFE RCA inputs
• speaker-level inputs with 4-pin Euroblock connector
• main power on/off switch, auto standby/on mode, and 12V trigger power modes
• detachable power cord
• 19-3/4"W x 20-7/16"H x 21-9/16"D
• weight: 60.6 lbs.
• warranty: 5 years drivers, 2 years electronics

What's in the box:

• Powered subwoofer
• 6.5' AC power cord
• Speaker-level input block
• User Manual
• Important Safety Information
• Warranty Information