Specifications:

1. Limiting audibility, km.: 1

2. Output power, not less than, W:

- nominal - 6

- maximum - 12

3. Amplifier consumption current, no more than, A:

- in silent mode - 0.015

- in the mode of rated output power - 0.55

- in the maximum output power mode - 0.9

4. Supply voltage, V, direct current:

- nominal - 12 ... 16 (8 elements of type A343 or from an external power supply)

- minimum - 10.8, performance is maintained when the voltage drops to 9 V

5. Duration of continuous work, not less than: 10 hours

6. Operating conditions:

- air temperature: -20…+40 °С

- relative air humidity (at +40° С), no more than: 98%

7. Overall dimensions, mm: diameter 279, 418x345

8. Weight without batteries, no more than:  3 kg.