Condenser Cardioid instrument Microphone ยี่ห้อ JBL รุ่น CSPM-4
The JBL Commercial® CSPM series microphones are dynamic close-talking microphones for paging systems in bars/pubs, theatre lobbies, department store and more.
A single cable attached to the CSPM-4 contains three conductors for audio (Positive, Negative, Shield) and five conductors for contact closure (Zone 1, Zone 2, Zone 3, Zone 4, Ground). Selecting a zone and pressing and holding the PTT button will route the microphone audio to that zone.
Features
- 1 PTT Button
- 4 Zone Selection Buttons
- Ideal for Paging to 4 Zones
- Ideal for Use with Two Linked CSM-32 Devices
Specifications
| Capsule | Dynamic |
| Frequency Response | 150 Hz – 15 kHz |
| Sensitivity | Typical 2.2 mV / Pa (-54 dBV) |
| Equivalent Noise Level | 21 dB-A |
| Polar Pattern | Directional – Cardioid |
| Max. SPL | 133 dB (SPL), K=1% |
| Impedance | 530 ohms |
| Protection | Wind and Pop-Protection; Internal foam |
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