Speaker Size: 5.25 inches (13 cm)Speaker Design: Coaxial (Multi-way, typically 2-way or 4-way)Maximum Power: Up to 350 Watts max music powerNominal Power: Typically 25 W to 175 W (depending on the specific production batch)Impedance: 4 ΩFrequency Response: 60 Hz to 22,000 HzInstallation Dimensions: 121 mm mounting diameter, with an installation depth of 46 mm