PA SYSTEM

LF-0622 / LF-0622A

Technical Specification

Model: LF-0622 / LF-0622A

Microphone type: Cardioid electret

Frequency response: 80Hz~16KHz

Microphone input impedance: 1KΩ

Sensitivity: -46 dBV/Pa

Max SPL: 100dB (THD>3%)

SNR: >80dB

Crosstalk: >70dB

Dynamic Range: >80dB

THD: <0.1%

Max power consumption: 3W

Headphone load: 8-32

Headphone volume: Max 40mW

Headphone interface:

3.5mm Headphone monaural jack

Follow standard: IEC60914

Connector: 1.8m aviation 8 core cable

Hand-in-hand expansion port: unavailable

Power supply mode:

controller power supply DC24V

Voting function: 5/3 keys to vote

Sign-in function: Button sign-in

Color: Silver

Display:

Chinese and English font full dot matrix LCD display

Weight: 0.9kg

Microphone height: 415mm

Dimension(mm): 225(L)×131(W)×48(H)

Installation Method: Tabletop

Features

* Unique patented technology, specially designed anti-RF radio frequency interference tube, which can completely eliminate the noise, Showing a perfect high-level conference environment.

* Unique patented design, Fully embodies the designer to grasp the vision of the world aesthetics.

* Unique microphone head design, So that even if the speaker does not have the cotton cover, but also completely eliminate the “pupu” low-frequency impact.

* Professional heart-shaped condenser microphone core, Very high sensitivity and voice clarity; And with a ring of red & green indicator light when speaking.

* When the red ring light is on, it means somebody is speaking; when green is on, it means apply for awaiting speech.

* It has function of suppress whistle, when microphone is open, the built-in speaker will be closed automatically.

* Built-in speaker, headset jack, which can adjust the headset volume.

* Use the professional 8 core aviation plug by cascading units, and with the metal fixed nut to avoid loosing and falling.

* It has 2-meter 8 core connection line that is used full line of aluminum foil and waterline shield, which greatly reduce the interference of strong electromagnetic waves on the wire, avoid “zizi” noise.

* The address code of each unit can be adjusted at any time to facilitate the construction.

* It is passive equipment, which is powered by the system controller, input voltage is 24V, belongs to the safe scope.

* Chairman unit has no limited by speakers qty.

* Chairman unit has priority function of taking full control of the order of the meeting, can approve or reject the application for a delegate unit.

* The Chairman unit connection position is not limited; can be connected in any position of circuit.

* “Hand-in-hand” Cable cascade mode, which is easy to install and maintain.

* There are 5 multi-functional buttons for voting, election and meeting evaluation.

* The button indicator has a prompt for real-time voting.

* Speaking unit can apply or cancel to speak.

* LCD display can show the operation of the vote, voting mode, to avoid mistakes.