PRV Audio D290Py-S 1" Pro Audio Screw-on Compression Driver 8 ohms 109dB 90 Watts RMS 1.75" VC 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 Rated Power Handling: 90 Watts