Professional Audio Wireless Microphone Systems UHF Dual - channel for Karaoke

Professional Audio Wireless Microphone Systems UHF Dual-channel for Karaoke

Performance characteristics:

UHF 740~950MHZ; Wide range frequency response. 
 Low distortion
 PLL frequency digital synthesis.
 High-fidelity cartridge module.
 Super anti-jamming circuit design.
 Super-low background noise.

Speecifications:

• Receiver

1.Receiving system: Fixed frequency by quartz controlled
2.Channel Group: 75-100 groups
3. Carrier Frequency: UHF600-820MHz
5. Modulation mode: PLL phase-locked loop integrated control
5. Receiving mode: FM / IR infrared automatic frequency locking
6. Frequency Stability: ±0.005%(-10~40)
7. Receiver sensitivity: -90dB

8. Bandwidth: 100mHz

• Microphone

1. Carrier Frequency: UHF740-950MHz
2. Bandwidth: 50mHz
3. Modulation mode: PLL phase-locked loop integrated control
4. Transmit power: 5mW-30mW (Adjustable)
5. Power Requirement:  1.5V(AA)×2
6. Nominal Current Drain:  250-500MA
7. Frequency adjustment: IRA infrared automatic
8. Operation display: LCD show RF
9. Hand-held microphone: metal tube-drop resistance

• Overall system

1.Carrier frequency range: UHF740-950MHz
2. Maximum deviation range: ±68KHz
3. Frequency range: 50Hz~16KHz±3dB
4. Output Connectors: Balanced / mixed
5. S/N ratio:<105dB
7. T.H.D.: >105dB
8. Panel displays: LCD RF / AF / CH / FQ / LOCK
9. Frequency adjustment: the IRA infrared automatic, manual backup
10. AC power supply: DC 12V-200MA

Product display: