Technical data: * 165 mm * Ø 3-way triaxial loudspeaker * 250 Watt max. (RMS 35 Watt) * Installation depth 53 mm * 91 dB * Tweeter with neodymium drive * additional piezo tweeter * Mounting hole diameter 139 mm * Sensitivity 2.83 V/m 91 dB * Injected PP cone with foam surround * Kapton