Frequency | 1000 Hz ± 2 %. |
Sound Pressure Level | 94 dB ± 0.75 dB. |
Suitable Microphone Type | 0.5 inch or 1 inch microphone. |
Total harmonic distortion | ± 2 %. |
Operating Temp. | 0 to 50 (32 to 122 ). |
Power Consumption | Approx. DC 7 mA. |
Battery Check | Build in " Battery test indicator " |
Dimension | Dia 50 mm ( round ) x 145 mm ( length ). |