Power Handling: 120W | Max Transient Power: 250W | Nominal Impedance: 4-ohm; Sensitivity (2.83V/1M): 90 dB | Frequency Response: 55-22,000Hz | Crossover Point: 2800 Hz; Voice Coil Diameter: Woofer: 38mm (1.5) | Twe eter: 28mm (1.125); Voice Coil Wire: Woofer: Copper | Tweeter: Copper; Mounting Depth: Woofer: 65mm (2.56) | Tweeter: 20mm (0.80)