Douk Audio 1PC 2.5" inch 4 ohm Hi-Fi Desktop Full Range Speaker High Sensitivity

Parameters:Unit size: 2.5 inchesThe largest diameter: 67MMSpeaker hole: 61MMScrew the diagonal distance: 73MMO angular distance: 52MMSpeaker total height: 45mmImpedance: 4 ohmsRated power: 8W-15WEffective Frequency: 150Hz-20KHzSensitivity: 88dBQts: 0.97Equivalent volume: 0.76LPackage:1PC speaker unit