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SPON NAC-21/21F & NAC-22/22F Volume Control
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Forced Switching
- Adopting high-speed industrial chip with a start-up time ≤1second
- With a built-in 3W speaker and a microphone to talk and monitor in two-way
- To trigger the flashing of the external alarming light on the specified terminals;
| MODEL | NAC-21/21F | NAC-22/22F | NAC-521 |
| IMPEDANCE | \ | \ | 200Ω |
| SENSITIVITY | \ | \ | -42dB |
| FREQUENCY RESPONSE | \ | \ | 40-16KHz |
| CAPACITY | 6W | 30W | \ |
| MODALITY | Resistor | Transformer | \ |
| DIMENSIONS | 87x87mm | 87x87mm | 420x190x130mm |
| WEIGHT | 0.5 kg | 0.5 kg | 0.8 kg |
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