Clear, confident, and natural sounding, the C3 bookshelf speaker sports KEF"s 5.25-inch bass driver for impressively extended low-frequency response to complement the seductive realism of the sophisticated 0.75-inch tweeter and "tangerine" waveguide for vocal clarity. The resulting sonic performance is warm, rich in detail, and compellingly three-dimensional whether you"re enjoying a favorite track or watching a movie. All of the C series" enclosures are ultra-rigid to ensure that the sound you hear is untainted by any internal resonance and all are magnetically shielded to give freedom when positioning.