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| Item number: CIEN7-30090551 Manufacturer no.: K 57 C 8 OHM EAN/GTIN: n/a |
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 | 5.7 cm (2.2") miniature speaker with waterproofed, transparent Mylar membrane and Neodymmagnet. Light weight. Low installation hight. Can be used outside and at critical enviroments. Suitable as signal speaker at electric mashines. Good speech, intelligibility. More information: Weight & dimensions | Weight | 31 g |  | Mounting depth | 17 mm |  | Magnet diameter | 22 mm | Features | Type | Tweeter speaker driver |  | RMS rated power | 2 W |  | Shape | Round |  | Peak Music Power Output (PMPO) | 3 W |  | Impedance | 8 Ω |  | Frequency range | 350 - 6800 Hz |  | Sensitivity | 87 dB |  | Resonance frequency (Fs) | 550 Hz |  | Operating temperature (T-T) | -25 - 70 °C |
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