1. Plug and play, wireless connection, no wiring required
2. 10W audio output power, wide sound coverage
3. The call distance of 500 meters in open areas can meet the requirements of short-distance communication
4. Working frequency: PMR446 446.00625-446.19375MHz
5. The sensitivity of the wireless receiver: -117dbm
6. Speaker sensitivity: 91dB
7. Speaker frequency response: 90-16000Hz
8. Power supply: 12V / 2A switching power supply
9. Speaker size: 158mm
10. Transmitting power: less than or equal to 0.2W
11. Appearance size: 260x186x120mm