The PRV Audio D290Py-S 1" Pro Audio Compression Driver offers unsurpassed vocal and midrange reproduction. 

A specially designed and easily replaceable Polyimide diaphragm on a Kapton former results in a more natural sound with smoother and more accurate high frequency reproduction. 
The D290Py-S is perfect for stage monitors, studio monitors, and other loudspeaker enclosures where high sound quality and light weight is required. 

The D290Py-S is assembled with a standard 1 3/8” screw for easy replacement with current 1” horns.
PRO AUDIO POLYIMIDE
COMPRESSION DRIVER
Throat Diameter: 1"
Type: Screw-On
Nominal Impedance: 8Ω
Rated Power Handling: 90 Watts
Program Power: 180 Watts
Sensitivity (1W/1m): 109 dB
Frequency Range at -10 dB: 650 - 19,000 Hz
Recommended Hi Pass X-Over: 1000 Hz (12 dB/Octave)
Voice Coil Diameter: 1.75"
Magnet Material: Ferrite
Diaphragm Type: Polyimide
Weight: 4.96 Lbs
Replacement Diaphragm: RPD290Py