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| SPECIFICATIONS |
| Type | Unit | BJ-1 | BJ-2 | BJ-3 | | Rated Voltage(Square Wave) | V | 12 | 24 | 220VAC | | Operating Voltage | V | 8-15 | 18-28 | 200-250 | | *Rated Current(MAX) | mA | 97 | 110 | 105 | | *Min Sound Output at 10 cm | dB | 110 | 110 | 110 | | *Resonant Frequency | Hz | 2500±500 | 2500±500 | 2500±500 | | Operating Temperature | ℃ | -20～+70 | -20～+70 | -20～+70 | | Weight | g | 50 | 50 | 61 |
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