Nominal power 60W Maximum power 120W Sensitivity 91.5dB Nom. impedance 4Ω Cone Flax Surround TMD - Rubber DC resistance 3.3Ω VC diameter 32mm 11/4 Former Kapton Layers 2 Wire Copper Net weight 600g 1.32lbs Frequency response 70-28kHz Crossover 12 dB/Oct @3kHz