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Technical parameters:

1. Network interface: Standard RJ45 input

2. Transmission rate: 100Mbps

3. Supporting protocols: TCP / IP, UDP, IGMP (multicast), IETF SIP

4. Audio format: MP3

5. Audio mode: 16 bit CD sound quality

6. Sampling rate: 8K ~ 48Khz

7. Frequency response: 130Hz ~ 16KHz + 1dB / - 3dB

8. Rated power: 40W

9. Total harmonic distortion: ≤ 1%

10. Signal to noise ratio: ≥ 65dB

11. Protection grade: IP54

12. Working temperature: - 20 ℃ ~ 60 ℃

13. Working humidity: 20% ~ 80% relative humidity, no condensation

14. Working voltage: ~ 220V 50Hz

15. Power consumption of the whole machine: ≤ 60W

16. Horn unit: 4 " ×  six

17. Size: 150 * 100 * 890mm

18. Weight: 7.5kg

19. Color: milky white

20. Material: aluminum alloy

Product purpose:

Integrated design of digital network decoding module and sound column, waterproof and rust proof aluminum alloy shell structure; Outdoor columns installed in various broadcast management areas are used for program broadcasting and local broadcasting in outdoor places such as parks, squares, streets and tourist attractions.

Functional features:

1. Professional integrated structural design, good box sealing performance and fast conduction all copper nickel plated grounding column. Meet the use and safety requirements of outdoor harsh environment, and meet the requirements of IP54 protection grade certification.

2. The product has high safety and excellent stability, and supports 7 × Work 24 hours a day.

3. The built-in one-way network digital audio decoding module supports IP / TCP, UDP, IGMP (multicast) and other communication protocols to realize networked transmission of 16 bit CD sound quality.

4. Built in digital power amplifier module, fine sound quality and strong power.

5. Support the broadcast system to upgrade the remote firmware of the terminal without local upgrade to the terminal, so as to reduce the work intensity of maintenance personnel.

6. DC24V / DC12V power supply can be customized to meet the power supply demand of outdoor solar battery.