In the casing, air pressure makes a membrane vibrate which produces the signal sound.
| Type: | MAKROFON ZM200/90b ZVE(E)(H) . | MAKROFON ZM200/110b ZVE(E)(H) |
|---|---|---|
| Sound intensity: | 143 dB | 143 dB |
| Frequency: | 90 Hz | 110 Hz |
| Range: | 2 SM | 2 SM |
In the casing, air pressure makes a membrane vibrate which produces the signal sound.
| Type: | MAKROFON ZM200/90b ZVE(E)(H) . | MAKROFON ZM200/110b ZVE(E)(H) |
|---|---|---|
| Sound intensity: | 143 dB | 143 dB |
| Frequency: | 90 Hz | 110 Hz |
| Range: | 2 SM | 2 SM |