1. Frequency range: 10 Hz ~ 20 kHz
2. Nominal sensitivity level: -28 dB (0 dB with 1 V/Pa as reference)
3. A/D sampling frequency: 48 kHz/44.1 kHz/32 kHz/22 kHz/16 kHz/8 kHz
4. Sampling bits: 16 bits
5. USB standard: USB 2.0, backward compatible with USB 1.1
6. Power supply: USB 5V power supply
7. Measurement range: 26 ~ 126 dB
8. Complies with GB/T 3785.1/IEC 61672-11 (Digital Sound Level Meter), GB/T 3241/IEC 61260 Class 1 (Digital Filter), and SJ/T 10724-2015 PM2F Class 1 standards, meeting professional testing requirements.
9. Supports PC, iOS, and Android, connects via USB, and can perform functions such as integral measurement, statistical measurement, 1/1 OCT, 1/3 OCT, and FFT analysis.
10. Dimensions: 12.7 x 12.7 x 113.5 mm
11. Weight: 50g