Nominal power 70W Maximum power 140W Sensitivity 91.5dB Nom. impedance 4Ω Cone Flax Surround TMD - Rubber DC resistance 3.3Ω VC diameter 25mm 1 Former Kapton Layers 2 Wire Copper Net weight 1,050g 2.32lbs Frequency response 60-28kHz Crossover 12 dB/Oct @3kHz