TRF 2-WAY HI-QUALITY COAXIAL CODE:TRF H WT552SERIOUS: ''H''FREQUENCY:40Hz-25kHzSENSITIVITY: 92dB/W/MPEAK POWER: 220WRMS POWER: 75WIMPEDANCE: 4ohmVΟΙCE COIL: 25mmMAGNET WOOFER:ferritysMAGNET TWEETER:NEO(NEOΔΥΜΙΟΥ)SIZE WOOFER: 5.25"\(135cm)SIZE TWEETER: 46mm Mylar DomeMATERIAL CONE: MIX PAPER AND WOOD FIBERMATERIAL TWEETER: Silk Dome