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Help CenterJRLON LA-2800 UHF 8-Channel Wireless Conference Microphone System
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JRLON LA-2800 UHF 8-Channel Wireless Conference Microphone System (Built-in rechargeable battery, battery detachable)
Performance characteristics
1. UHF frequency band transmission signal, infrared frequency pairing, manual frequency selection is convenient for on-site debugging.
2. Stable PLL digital phase-locked loop synthesis technology and intelligent digital line are used to avoid interference frequency;
3. Frequency range: UHF 640MHz~690MHz, more suitable for a wide range of use.
4. Eight channels up to 200 channels to receive signals, universal handheld waist bag, strong anti-interference ability;
5. Each channel is equipped with a unique ID number, which enhances the anti-interference function and supports up to 6 simultaneous use (i.e. 3 receivers and 24 transmitters);
6. The main panel adopts aluminum alloy coloring process, and each channel has 4 function buttons to achieve multi-functional operation.
7. Eight-screen LCD display, display working channel, working frequency point, RF receiving signal, AF audio signal, lock screen indication, real-time power of the conference seat, real-time feedback system working status,
8. The receiver is equipped with 4 rubber receiving antennas to enhance the received signal, and the appearance is generous and decent;
9. There are 4 balanced outputs and 1 hybrid unbalanced output on the back, suitable for connecting various external devices;
10. It has a switch noise cancellation circuit to avoid a huge impact sound when the switch is turned on, and ensure the safety of the post-amplifier system and speakers
11. With one-click automatic search for idle frequency points, it is easy to select clean frequency points. It has a locking button function to prevent human misoperation.
12. Conference seat 200 channels are interoperable and interoperable, showing humanized high-tech design; (The same launch can be used interoperatively in Tuo 2, Tuo 4, and Tuo 8)
13. The conference microphone has a built-in removable high-capacity 18650 battery, and the base comes with a TYPE-C charging interface, which can be plugged in separately or used while charging.
14. The conference base has a built-in mute function button, tap the real-time mute or speech icon, and long press the power on and off to prevent unnecessary whistling caused by multi-microphone use.
15. Square tube: all-metal cavity + square tube body design, multi-directional sound pickup (optional detachable gooseneck long pole).
16. Two-way power monitoring, real-time power or undervoltage of the conference seat, intuitive display by the host.
17. With a special condenser microphone + self-created audio processing technology, it effectively improves the pickup distance and clarity of speech. Rich mid and high frequencies and large dynamic range. The sound is magnetic and thick, and the vocals are prominent, so there is a better meeting experience
18. Working distance: Open environment: 80-100 meters
19. Complex environment: 50-80 meters
20. Suitable for various conferences and speeches.
21. The equipment is distributed with 8 18650 batteries and 8 TYPE-C chargers.
2. Transmitting microphone parameters
1. Power supply: DC 3.7 (3.7 18650) Battery lasting life: 10-15 hours
2. Adjacent frequency interference ratio: >80dB
3. Microphone power consumption: 120mA
4. Audio dynamic range: ≥106dB
5. Carrier frequency: UHF 640MHz-690 MHz
6. Type: Capacitive type
7. Frequency stability: ±0.001%
8. Polar mode: single directivity
9. Frequency response: 20Hz-16KHz
10. Signal-to-noise ratio: >90dB
11. Microphone pickup sensitivity: -32±3dB@1KHz (long tube)
12. Microphone pickup sensitivity: -35±3dB@1KHz (square tube)
3. Comprehensive parameters
1. Working frequency: UHF 640MHz~690MHz, commonly used. (Customized frequency can be used according to different countries and regions)
2. Channel value: 200 channels in total
3. Modulation method: FM
4. Channel spacing: 250KHz
5. Frequency stability: ±0.001%
6. Dynamic range: ≥100dB
7. Maximum frequency offset: ±30KHz
8. Frequency response: 40Hz~16KHz
9. Comprehensive signal-to-noise ratio: >60dB
10. Comprehensive distortion: <0.5% @1KHz
11. Working distance: about 100m (without interference in open ground)
12. Working environment temperature: -10°C~50°C
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