The Q B12 is the first Q Acoustics subwoofer to feature a 12inch driver. The big long-throw driver is powered by an ultra low-distortion 220-watt Class D amplifier for tight, powerful bass response. Q B12 subwoofer features a 50mm voice coil for minimal thermal compression. Equally at home with Q Acoustics' Concept range and 3000i range of stereo and centre speakers, Q B12 subwoofer is designed to be equally adept at reproducing big Hollywood action moments as it is the deep, subtle textures of bass instruments. Iron-fist punch meets velvet-glove control in Q B12 subwoofer - it's the subwoofer your audio set-up deserves. The first Q Acoustics subwoofer to feature a 12in driver brings all of the depth and drive your home cinema system craves, along with all the detail and subtlety your music needs.