The combination of those materials creates a stiffness that can withstand the physical forces created by the voice coil and pressure inside the cabinet. The B&W ASW610 is a Class D amplifier and is designed to run cool, even when handling a high action movie or loud music. It has a more traditional design, boxy and solid, unlike the innovative B&W PV1 which has a unique and startling rounded shape. It weighs a normal 27.5 pounds and has a height of 12.2 inches not including feet, a width of 12.2 inches, and a depth of 14.8 inches including the controls and the grille.