This is Brand NEW Aftermarket Diaphragm FOR PRV AUDIO RPD3220PH REPLACEMENT DIAPHRAGM FOR D3220PH & WG 3220PH-ND DRIVERS RPD3220Ph is the phenolic replacement diaphragm for the PRV Audio D3220Ph and WG 3220PH-ND midrange compression driver.The phenolic diaphragm is attached to a 3" diameter copper voice coil with Kapton former for a high 110 watts RMS power handling rating (when used with the recommended 600 Hz, 12 dB/octave high pass crossover). An amazing 109 dB of output with only 1 watt of input power (2.83V), when measured at one meter, allows the D3220Ph to be used in even the loudest of environments!