Main Specification
| Frequency Range | 20 Hz–20 kHz |
| Measurement Range | 0–120 dB |
| Accuracy | ±1 dB |
| Display | Digital LCD |
| Input Impedance | 1 MΩ |
| Power Supply | Battery/AC |
| Weight | 3 kg |
| Operating Temperature | -10–50 °C |
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