Moving-coil dynamic unidirectional element<br> Durable zinc alloy metal construction<br> Steel mesh grille<br> On/off broadcasting switch<br> Freq resp: 50Hz-15kHz<br> Imp: 600ohm +/-30%<br> Sensitivity: -54dB +/-3dB<br> Dim: 6.7"<br>H x 1.7"<br>W x .3"<br>D<br> 6.5ft x 4.5mm microphone cable with 300ohm outputs<br>