Check the listing for details. JBL D405 TRIO-X High Compression Phenolic Midrange Driver 110/160-Watt RMS 8-ohm. Condition: New. Listed at 199.00 USD. JBL D405 TRIO-X High Compression Phenolic Midrange Driver110-Watt RMS / 160-Watt RMS 8-ohm The D405 TRIO-X is a phenolic diaphragm compression driver with high efficiency.Features a dome-type phenolic diaphragm that ensures efficiency and durability. Magnetic assembly with high magnetic flux has in its GAP magnetic fluid.It has a 50mm (2") mouth, allowing for coupling with many horns.The Repair has perfect self-centering, and is easily replaceable in the event of any defect. Nominal Power (500 Hz) 110 Watts RMSNominal Power (1,000 Hz) 160 Watts RMSPeak Power (500 Hz) 220 WattsPeak Power (1,000 Hz) 320 WattsNominal Impedance: 8 ohmSensitivity (1W/1m): 110 dB SPLFrequency Response: 500-6,500 HzMinimum Recommended Crossover: 500 HzThroat Diameter: 50 mm / 2 inchesDiaphragm Material: PhenolicMagnet Material: Barium Ferrite