3-way speaker, bass reflex, 2 x 165mm woofers with Aerofoil membrane, 1 x 130mm FST midrange with Continuum membrane and biometric suspension, 1 x 25mm diamond dome tweeter and elongated solid aluminum housing, mounted in free air. New Matrix internal structure in plywood. Prepared for bi-wiring, power 50-200W, 8ohm. “Flow Port System” technology. Reverse structure wooden cabinet