Model: MT-HPOO3 40mm speaker Sensitivity: 116 dB Impedance: 32 + 15% Response frequency: 20–20 kHz Omnidirectional microphone Mic Mic drive unit: 6.0*5mm 35 t3 dB sensitivity Interface: 3.5 mm Cable length: 1.80 meters Measurements: 170*70*180 mm Weight: 195 x 5