TECHNICAL SPECIFICATION Rated input power: 20mW Maximum input power: 30mW Impedance: R 32 ± 15%W, L 32 ± 15%W Sensitivity: 103 ± 3dB Channel balance: 3dB Phase: Same Phase Speaker frame diameter: 50 mm Magnet: NdFeB Cord Length: 2400 ± 10%mm Weight: 495.0 ± 5g MIC sensitivity: -42 ± 3dB MIC frequency: 100-20KHz MIC type: Short MIC MIC dimension: ∅ 6.0 x 5.0 Size (WxHxD) mm: 215.8×110.0x199.50 MIC impedance: ≤ 2200W MIC test voltage: 2V DC LED color: RGB LED current: ≤150MA