01 Introduction

One-to-two most cost-effective true diversity performance wireless microphone

Product features:

●Professional small performance wireless system, suitable for small performances, school projects;

●Adopt microcomputer dual CPU control: The entire hardware circuit is controlled by a microcomputer, which can perform frequency selection, display and battery capacity monitoring, etc., to achieve various functions that are difficult to achieve with traditional models;

●In complex outdoor environments and bad weather, the signal reception is stronger and more stable, and the receiving range can reach 200 meters;

●The host uses a digital LCD interface display, and the system working status is clear at a glance;

●Adopts DPLL digital phase-locked loop multi-channel frequency synthesis technology and noise automatic control technology;

●True diversity wireless system, high-gain antenna, eliminates dead angles and continuous communication, and improves reception stability;

●With one-button intelligent switching frequency band

●Adopts high-frequency circuit design with secondary frequency conversion, with high sensitivity and high-fidelity sound, and has interference noise squelch function;

●With feedback howling suppression reduction function, it can effectively reduce feedback howling.

02 Parameters

Receiver technical parameters

Frequency range: UHF610~670MHz (customizable frequency band)

Number of channels: 100+100 adjustable frequency points

Effective working distance: generally 200 meters (open space)

Modulation mode: FM

Oscillation mode: PLL phase-locked frequency synthesizer

Frequency stability: ±0.0005%

Sensitivity: When the deviation is equal to 25KHz

When the input is 6dBμV, S/N>60dB

Maximum deviation: ±45kHz

Bandwidth: 50MHz

Comprehensive signal-to-noise ratio: >108 dB

Comprehensive T.H.D.: <0.4% @ 1 KHz

Comprehensive frequency response: 60Hz~18kHz ± 3dB

Maximum output voltage: Balanced: -20dBV/100Ω

Unbalanced: -4dBV/5KΩ

Output socket: XLR balanced and 6.3φ unbalanced socket

Power supply: 100 - 240V, AC50/60 Hz, 10W


Handheld transmitter parameters

Oscillator mode: PLL phase-locked frequency synthesizer

Harmonic radiation: < -63dBm

Bandwidth: 80MHz

Maximum deviation: ± 45KHz

Power output: 30mW

Frequency response: 50Hz~18KHz

Maximum input sound pressure: 130dB SPL

Sound head: dynamic type

RF power output: 8mW; 8mW/15mW

Current consumption: <110 mA

Battery specifications: 2×1.5V AA batteries