Spesification: Speaker Sensitivity: 112dB 3dB Speaker Diameter: 50mm Speaker Impedance: 21 15% Mic Frequency Range: 100-10kHz Rated Input Power: 20 mW Weight: 5 g Mic Type: Omni-directional Mic Dimension: 4.0x150mm Mic Test Voltage: 5V Size (W x H x D): 195 x 90 x 220mm LED Current: 15 mA Whole Current: 30 mA Phase: Same Phase Include audio splitter