SP-UK720

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-UK720

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