DB Drive Euphoria XPERT - DB Drive Xpert Speakers EX8NCD-CFXL 8″ 2-WAY CARBON FIBER loudspeaker with Backloaded Compression Driver

  TRUE SOUND. TRUE SOURCE. Specifications 8″ 2-Way Carbon Fiber Loudspeaker Neodymium Ring Magnet Assembly Rear Mounted Full Sized Compression Driver IP54 Rated Weather Resistant Carbon Fiber Cone Die-Cast Aluminum Basket with Radial Venting 1.4″(36mm) Polyester Tweeter Diaphragm Wide Dispersion Conical HF Waveguide 12dB Passive Crossover Included Protective Grills Included Resonant Freq 48.1Hz D.C Coils 3.2Ω Impedance 4Ω Power Handling 650 watts  Dynamic wattage 1250 watts Sensitivity 106.3 dB Depth 4.57" T/S PARAMETERS Resonant Frequency (fs) 48.1Hz D.C. Voice Coil Resistance (Re) 3.2Ω Mechanical Quality Factor (Qms) 6.62 Electrical Quality Factor (Qes) 0.43 Total Quality Factor (Qts) 0.41 Compliance Equivalent Volume (Vas) 21.0L Mechanical Compliance (Cms) 0.33 mm/N Efficiency (1W/1M) 106.3 dB ADDITIONAL SPECS Nominal Impedance 4Ω Power Handling 650 Watts Dynamic Wattage 1250 Watts Sensitivity (1w/1m) 106.3 dB Voice Coil Diameter 2.0″ (51mm)   DIMENSIONS Mounting Depth: 4.57″ (116.3mm) Mounting Diameter: 7″ (179.64mm)