Technical Specification: Loudhailer diameter:50mm(NdFeB) Frequency range: :20-20.000Hz Sensitivity:108+/-3dB at 1kHz Impedance:32 Ohm at 1khz Max Input power:30mW (maximum) Mic Dimension:6.0*5.0mm Plug:3.5mm Mic Sensitivity:-38dB +/- 3 dB Magnet size:15.5 x 2.0mm...