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Technical Specifications一 JH-A620 | ||
Output. OSPL90 Max. | ≤120dB+3dB | |
HFA Avg | 27dB±5dB | |
EQ Input Noise | ≤29dB+3dB | |
Frequency Range(Not narrower than ) | 450Hz~4000Hz | |
Battery Current | ≤10mA | |
Total Harmonic Distortion | ≤7%+3% | |
Working voltage | d.c.3.7V | |






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