Mackie CR-BUDS-Plus Professional Fit Earphones with Microphone 100209859 Null test button : (2) 100053680 Symmetrical design 3R622310BEW

Null test button : (2) buttons (1 per channel)

Head-worn microphone with continuously adjustable behind-the-neck headband

The ATW-T3202 comes with an ATW-C510 dynamic interchangeable cardioid capsule

Headset cardioid condenser microphone provides pro quality sound in the comfortable

Maximum SPL: Bi-amp mode: MF: 133 dB-SPL cont avg (139 dB peak) HF: 135 dB-SPL cont avg (141 dB peak) Passive mode: MF/HF: 133 dB-SPL cont avg (139 dB peak)

Mackie CR BUDS Plus Professional Fit Earphones with Microphone 100209859 Null test button : (2) 100053680 Symmetrical design 3R622310BEW Null test button : (2) buttons (1 per channel) Head worn microphone with continuously adjustable behind the neck headband