1 inch square, flat, honeycomb tweeter is an ideal replacement for Sony, Philips and other flat diaphragm systems where the original would be excessively pricey. This model could also be used in an custom speaker design with it's excellent response and superb looks. Power handling is 75 watts above 5kHz/12dB/oct. 8 ohms, 4kHz to above 20kHz response, 90 db/W/M.