General Data Overall Dimensions: 102*55.5mm Nominal Power Handling: 50W Transient Power 10ms: 100W Sensitivity: 89.6dB Frequency Response: 134-16KHz Cone Material: Paper Net Weight: 0.33kg Electrical Data Nominal Impedance: 4 Ohm DC Resistance: 3.2 Ohm Voice Coil and Magnet Parameters Voice Coil Diameter: 25.9mm Voice Coil Height: 7.4mm HE Magnetic Gap Height: 4mm Max Linear Excursion: 1.7mm Voice Coil Bobbin: Kapton Voice Coil Wire: CCAW Number of Layers: 2 Magnet System Type: Neodymium BL Product: 3.6 T-S Parameters: Suspension Compliance: 0.42 Mechanical Q Factor: 5.59 Electrical Q Factor: 0.69 Total Q Factor: 0.61 Moving Mass: 3.3 Eq.Cas Air Load: 1.66 Liters Resonant Frequency: 134.8Hz Effective Piston Area: 52.8cm²