Jm-683 Hot Sale Desktop Wireless Microphone Voting Sign-on Conference System

JM-683 Hot Sale Desktop Wireless Microphone Voting Sign-On Conference SystemProduct Description
Specification:
JM-683M
1)Has sign in/vote/discussion/video tracking; system unit has modes of self-checking, innovation speaking, FIFO, speaking limiting, etc., add a channel of audio aux input;
2)System host combined with digital and analog circuits development & design; menu on LCD displays English or Chinese which makes a better viewing; quad-output, which can be up to connect with 250 units;
3)FIFO; can set self-closing and timing speaking when the mic doesn't work; has IC card attendance function; has function of approval, rejection and waiver;
4)System which has video interface of 4 ways can directly connect 4 cameras to realize video automatic switching, video signal has a high speed manifying module, to ensure image doesn't lose the distortion during remote transmission; has a RS-232 interface that can connect to computer and can set and operate system;
Chairman / representative unit interface
8PDIN socket x 4
telephone interface coupler
RCA socket x 2
audio input
RCA (RCA socket)x 1; 6.3 socket x 1
audio output
RCA socket x 1; 6.3 socket x 1
output balance
XLR x 1; PTZ communication port; 485 x 1
computer communication interface
232 x 1
video input
RCA socket x 4
video output
RCA socket x 2
frequency response
78Hz-13.8kHz
SNR
82db
sensitivity
- 16dB
host power supply
AC220V/50Hz
current
2A
color
grey
Product dimensions (L * w * h)(unit: mm)
483*323*90
JM-683C/JM-683D
1)Industrial plastic base AL panel design, base and mic tube adopt a separation design, which has beautiful and professional appearance. Built-in speaker, which adopts a super pointing condenser mic, to realze high quality voice pickup;
2)Has LCD that can freely swtich Chinese and English interface;has IC card attendance function and has set a priority speaking button, and can select a music promopt tone when releasing to speak;
3)Has two independent earphone outputs and one external micinput output, unit has a red ring working indicator;
Model
JM-683C
JM-683D
SNR
71dB
72dB
sensitivity
-52dB/Pa
frequency response
95Hz-11.5KHz
headphone output
3.5mm headphone socket x 1; 8P-DIN (2.1 meters)
microphone input
high point electret microphone
power supply
DC24V
Product dimensions (unit: mm)
147*185*55
microphone tube
400mm
color
greydescription1)System have speak quantity limit mode, overpower mode, howling suppressing, unit is open but non-speaking can turn to mute and chairman priority with music reminder etc.;
2)System host hand together with digital circuit and analog circuits; 2U cabinet with LCD,(can select Chinese-english menu)which is more visual;
3)Has equipped with one channel of audio aux input, that can connect with other background music; 3-channel mic output, each channel can accept connection of 20 units, and one extending output interface which can realize more units meetings after it has been extended with other devices;
4)System supports multiple chairman units. Host can work with units that with three different appearance mics;
5)The unit has a built-in super-point condenser microphone for high-fidelity sound pickup;
6)Industrial plastic base design, overall beautiful and generous professional;
7)Users can adjust the built-in speaker and headphone volume;
8)Has a red halo work indicator;
9)Chairman unit has priority to speak.Product case
solution
Packaging & Shipping
FAQ
1.Q:Areyouafactoryortradingcompany?
A:Weareamanufacturer(withourownfactory)since2000.Wearea leading manufacturer, exporter and supply chain service provider on professional audio system.
2.Q:Whereisyourfactorylocated?HowcanIvisitthere?
A: Ourfactoryislocatedin NancunDistrict,GuangzhouCity,GuangdongProvince,China.
about 30minsbycarfromGuangzhou South Railway Station, Wewelcomecustomersfromallovertheworld !
3.Q:CanyoudoOEMandODM?
A:Yes,both.We can put your idea into products.
We have professional research development team, develop the products according to customer required.