Model No.UR-881DR

Product Name:True Diversity Dual Channels UHF Wireless microphone

Main Features:LED display screen,receiver setting Chinese and English dual version,IR frequency matching

Suitable For:Stage performances,High-end KTV,Large-scale Sport Events,Speeches,etc.

Ideal Distance:200M

Parameters

General Specification

1. Frequency range: UHF 640-690MHz

2. Modulation: FM

3. Adjustable range: 50MHz

4. Number of channels: 2x100

5. Channel spacing: 250KHz

6. Frequency stability: ± 0.005% or less

7. Dynamic range: 100dB

8. The biggest deviation: ± 45KHz

9. Audio Response: 80Hz-18KHz (± 3dB)

10. Integrated signal to noise ratio:> 105dB

11. Comprehensive distortion: ≤ 0.5%

12. Operating temperature: -10 ℃ ~ 50 ℃

Receiver specifications:

1. Receiver mode: secondary frequency conversion superheterodyne

2. Wireless interface: BNC / 50

3. Sensitivity: 12dBμV (80dBS / N)

4. Sensitivity range: 12-32dBμV

5.Spurious suppression: ≥ 75dB

6. Maximum output level: + 10dBV

7.Power output:DV 12V/1000mA

Transmitter Specifications:

1. Antenna program: Pocket transmitter with a 1/4-wavelength whip antenna, hand-held microphone built-in spiral antenna

2. Output power: high frequency 30Mw, low frequency 3Mw

3. Spurious suppression: -60dB

4. Power supply: two 1.5V AA battery

5. Operating time: more than 10 hours at 30mW, more than 15 hours at 3mW