The KEF Kube 10b is a powerful mid-sized subwoofer featuring a sealed cabinet a 10-inch bass driver & a 300-watt Class D amplifier. Equipped with i BX intelligent bass extension technology it delivers extended depth precision & immersive sound experience for both music & movies. The subwoofer offers unparalleled flexibility in setup with various inputs phase selection & DSP-controlled EQ settings ensuring optimal performance regardless of placement. KEFs proprietary driver design & in-house engineering guarantee exceptional sound quality making the Kube 10b an outstanding choice for any home cinema system.