Shure Microphone Headset

Specifications

Working Range 75m (250 ft.).
Audio Channel Response Minimum: 45 Hz.Maximum: 15 kHz (overall system channel depends on microphone element).
Total Harmonic Distortion 0.5%, typical
Ref. +/– 33 kHz deviation, 1 kHz tone
Dynamic Range >100 dB A-weighted, typical
Operating Temperature –18°C (0°F) to +57°C (+135°F)
Transmitter Audio Polarity Positive pressure on microphone diaphragm (or positive voltage to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low impedance output) and the tip of the high impedance 1/4-inch output.
Output Impedance XLR connector: 200 O 1/4 inch connector: 1kO
Audio Output Level Ref. +/– 33 kHz deviation with 1 kHz tone
Sensitivity –105 dBm for 12 dB SINAD, typical
Image Rejection >50 dB, typical
Dimensions 188 mm L x 103 mm W x 40 mm D (7.4 in. x 4.0 in. x 1.5 in.)
Dimensions - PG88 388 mm L x 116 mm W x 40 mm D (15.3 in. x 4 in. x 1.5 in.)