1. Local features:
One to two U-segment wireless infrared cross frequency wireless microphone with 200 frequency channels (100 optional on each side).
2. Lock screen function operation:
After shutting down, press and hold the UP button on the left to turn on the device. The display screen will lock, and all buttons except for the power button cannot be adjusted. Unlock and repeat the operation to unlock the screen. All buttons can be operated.
3. High sensitivity operation:
Turn on the handheld microphone by pressing and holding the power button, and enter the sensitivity adjustment interface. 1.2.3.4.5 Adjustable, the larger the number, the higher the sensitivity. Press the button once to change to a new number. After adjusting to the selected number, release the display screen and flash a few times before saving, it can be used normally. When adjusting, stay away from the speaker to avoid whistling. Adjusting to around 3-4 sensitivity is also sufficient for use, and the pickup distance can reach about 50CM. In order to prevent users from being unable to adjust it back after adjusting. Once the handheld device is turned off and then turned on, it will be restored to the factory settings. The user's sensitivity will no longer be saved after the device is turned off. The sensitivity adjustment function can be used as a speech microphone or conference microphone during speeches and temporary meetings. As it is a dynamic microphone, its usage effect is not inferior to or exceeds that of a speech microphone or conference microphone
Model:SP-UK820
Technical parameters:
Receiver parameters/Specifications
Frequency Range: UHF640-690MHz
Frequency stability: ± 0.05%
Dynamic Range/Mobile State Range:>90dB
Modulation Mode: FM/PLL
Frequency Response: 50Hz -15KHz
Signal to noise ratio/S/N ratio: ≥ 90dB
Adjacent frequency interference ratio/F/N Ratio:>80dB
Mirror interference ratio/P/N Ratio:>80dB
Scope of use/Service Areas: ≥ 80 meters Meters (ideal environment without interference in open areas)
Receiver Power Supply: DC 13.5V-15V
Microphone parameters:
hold
Transmitter parameters/Specifications
Carrier Frequency: UHF640-690MHz
Frequency Stability: ± 0.01%
Maximum Deviation: ± 45KHz
Harmonic radiation:<-63dBm
S/N Ratio:>105dB
Dynamic Range: ≥ 100dB
Vocal head/Odo: Dynamic Condenser/dynamic (optional)
Frequency Response: 50Hz to 15KHz
Distortion:>0.5%
Power Supply: DC 3V AAA * 2
High Definition Pictures:
Brochure/Data Sheet:
Operation Manual: