U-500 KTV Microphone
U-500 KTV Microphone
Function introduction
1. automatic mute function: the handheld microphone is placed on the desktop to enter the automatic mute state after 6 seconds of resting, and immediately return to normal after picking up.
2. Power saving function: the handheld microphone will automatically shut down and save power after 15 minutes of non-use after entering the automatic mute state.
3. Scanning function: clean frequency automatic scanning, easy to avoid signal interference.
4. Built-in 15 kinds of EQ, more sound effects experience.
5. Built-in 200 frequency points, convenient for multiple sets of use.
6. long standby time, high quality AA battery life up to 10 hours.
System parameters
Operating frequency: 512-562 640-690MHz
Modulation mode: broadband FM
Number of channels: 200
Channel interval: 250 KHz
Frequency stability: earth 0.005%
Dynamic range: 100dB
Maximum offset: +45 KHz
Audio frequency response: 80Hz - 18 KHz (+3dB)
Comprehensive signal to mania ratio: > 105dB
Comprehensive distortion: ≤ 0.5%
Working distance: about 80m (in the absence of interference)
Working environment temperature: -10C a +50
Receiver indicators
Receiver mode: secondary frequency conversion super-aberration
Intermediate frequency: 110MHz, 10.7MHz
Wireless access: BNC/50Ω
Sensitivity: 12dBuV (80 dB S/N)
Sensitivity adjustment range: 12-32dBuV
Spurious rejection: ≤ 78dB
Maximum output level: +10dBV
Transmitter indicators
Antenna: cell phone microphone built-in helical antenna pendant transmitter using 1/4 wavelength whip antenna
Output power: high power 30mW; low power 3 m W
Spurious rejection: -60dB
Power supply: 2 x #5 1.5V alkaline batteries
Battery life: approx. 10 hours at normal power transmitter, approx. 15 hours at low power transmitter
