The Kef B110 SP1057 Drive Unit is a wired 2.0 channel speaker unit with an impedance of 8 Ohms, designed for universal compatibility. This possible prototype for a cone is part of the Kef Reference model range, known for its high-quality sound and performance. Perfect for home audio and HiFi separates, this drive unit offers a unique and exciting addition to your sound and vision setup, delivering exceptional audio quality for an immersive listening experience.