| type | unit | hy12-1p | hy12-2p | hy12-3p | | rated voltage | v | 1.5 | 3 | 5 | | operating voltage | v | 1-3 | 3-6 | 3-8 | | *rated current(max) | ma | 30 | 15 | 10 | | *min sound output at 10 cm | db | 85 | 85 | 80 | | coil resistance | ω | 16±4 | 42±6 | 50±7.5 | | *resonant frequency | hz | 2048 | | operating temperature | ℃ | -20～+70 | | storage temperature | ℃ | -30～+80 | | housing material | | noryl | | weight | g | 2.0 |
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