3-way speaker, bass reflex, 2 180mm woofers with Aerofoil membrane, 1 130mm FST midrange with Continuum membrane and biometric suspension inserted in the new turbine head made of a single aluminum block, 1 25mm tweeter with diamond dome and elongated housing in solid aluminum, mounted in free air. New Matrix internal structure in plywood and metal. Prepared for bi-wiring, power 50-500W, 8ohm. “Flow Port System” technology