DS18 5.25" Compression Driver (Sold Each) Type: Compression RMS Power: 440W MAX Power: 880W Throat Diameter: 2" Installation Type: Bolt-on Nominal Impedance: 8 Ohms Sensitivity (1w/1m): 123dB Frequency Response: 250 Hz - 12.5 kHz Recommended Crossover: 600Hz Voice Coil Diameter: Dual 3.5" Voice Coil Former Material: Kapton Winding Material: CCAW Diaphragm Material: Polyester Magnet Material: Neodymium Bolt Pattern: (M6) 4" / 102mm Overall Diameter: 5.2" Overall Depth: 4.17"
