Titanium 1.75″ Compression Driver. Fits Standard Horn Flares with 1″ Screw ThreadImpedance: 8 Ohms Power Rating: 60W RMS Frequency Range: 600Hz – 20kHz Dimensions:68 x 115mm Weight: 1.65Kg. A high frequency 60W compression driver suitable for active or passive cabinets. A 1″ screw thread allows the driver to be easily connected to most horn drivers.. compression driver-horn driver