| type | unit | hyt-3015a | | rated voltage(square wave) | v | 6 | 12 | 24 | | operating voltage | v | 4-8 | 8-15 | 3-28 | | *rated current(max) | ma | 20 | 15 | 20 | | *min sound output at 10 cm | db | 85 | 88 | 90 | | *resonant frequency | hz | 3400±500 | 3300±500 | 3100±500 | | operating temperature | ℃ | -20～+80 | | weight | g | 8 |
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