Power Handling: 110 W RMS/220 W max Transient Power; Nominal impedance: 4 – Ohm | sensitivity-v (2.83 V/1 m) 90 DB | Frequency Response: 50 – 22, Hz crossover point: 4500hz; Woofer: 38 mm voice coil diameter: (1.5) | tweeter: 25 mm (1); Woofer: High – grade ferrite magnet system: Tweeter: Neodymium; Mounting Depth: 2.56