SPECIFICATIONS Focal® is a trademark of Focal-JMLab® - www.focal.com - SCCG - 06/04/2022 - v1 FREQUENCY RESPONSE/IMPEDANCE MECHANICAL DRAWING PARAMETERS Nominal power 230W RMS Maximum power 460W Sensitivity 85dB Nom. impedance 4 Ω Cone Polypropylene Surround Butyl VC diameter 20mm 13/16"