Service Hotline:+86-757-81810859(Monday-Saturday | 8:30-18:00)

中文

SM912 wired conference microphone system

SM912 wired conference microphone system



The SINGDEN Digital Conference Basic Discussion System inherits Xindian's original automatic tracking, bidirectional calculation, full verification, and diversified comprehensive calculation technology with verification, as well as the perfect digital transmission and control technology of Gongxin. It not only provides powerful discussion, automatic camera tracking function, clear and full sound quality, and fast data transmission, but also realizes comprehensive control and management of the conference process. The SINGDEN digital conference and discussion system not only has the advantages of stable and reliable quality, accurate data security, simple and applicable operation, and simple and convenient system maintenance, but also has good scalability and can achieve perfect seamless connection with the central control system.

 

The design of the SINGDEN digital conference discussion system refers to a large number of domestic and even international industry standards, which comply with various industry norms.


Details






Main controller


Product features:

Standard number of mounting units: 30 can be connected in a single circuit, with a maximum of 90 conference units mounted in the system, and the longest line length can reach up to 100 meters

Expansion host: can connect 25 microphones in a single channel, and can mount up to 300 microphones

Can set to simultaneously open any 1 to 6 microphones within the Chairman and Vice Chairman;

Two independent high, medium, and low frequency compensations achieve perfect sound quality.

Equipped with RS-232 interface, capable of connecting to computers and software

Can flexibly support automatic discussion meeting mode and video tracking meeting mode

Equipped with a three in and one out video matrix, it can directly control up to three camera balls to complete video conferencing functions

Multiple input and output interfaces, including main input, card holder input, front output, and auxiliary output interfaces

Built in DSP adaptive audio processor, which can suppress sound feedback as much as possible

Standard and safe global wide power supply design with 100-230V AC power supply, equipped with high-power switching transformers for sufficient power supply

In addition to meeting the needs of the machine, the power supply can also be used for discussion units. Its output voltage is a 24V DC power supply, which is within the safe voltage range, ensuring the safety of attendees.

 

Technical parameters:

SH2180 Americas, Japan: AC110V~130V60Hz

Eurasian continent: AC220V~240V50Hz

Power consumption standard:<200W

Frequency response 20-25000Hz (+-3dB)

 

Signal to noise ratio>80dB (A)

Dynamic range>90dB

Total harmonic distortion 80-2000Hz (3dB)

Less than 0.1% AT1KHz

Channel crosstalk>80dB

Display 128 * 64LCD LCD

Environmental temperature and humidity requirements -20~60 /0-95% (no condensation)

Size (length * height * depth) 482x350x88mm

Weight 4.5KG


Basic Discussion Unit


Chairman Microphone

Product Description:

 

The SH2180 system is a revolutionary introduction of all digital technology into the conference system, utilizing the digital transmission and control technology originally created by SingDEN company with independent intellectual property rights. It fully combines advanced digital technology and audio technology, and realizes comprehensive control and management of conference processes. The SingDEN conference system not only has the advantages of stable and reliable quality, accurate data security, simple and applicable operation, simple and convenient system maintenance, but also has good scalability, which can achieve perfect seamless connection with the central control system. The system can implement digital voting systems, video tracking systems, digital discussion systems, digital conference systems, etc., mainly targeting small and medium-sized conference projects.

 

Delegate Microphone

Product Description:

The SM912C/SM912D digital conference microphone is a professional conference microphone developed by our company. Its unique digital processing and transmission technology, excellent sound performance, high reliability, fully combines advanced digital and audio technologies, and is suitable for various conference occasions. Moreover, the unique audio circuit of the SM912C/SM912D conference microphone has the ability to handle high sound pressure. The fully balanced circuit design and unique shielding technology can greatly reduce the electromagnetic interference of other RF signals such as mobile phones. There is a digital display screen used to display the microphone ID number and status.

 

Product features:

Stable design with locking and plug-in microphone pole

When speaking, there are dual prompts for the red light halo on the microphone pole and the red indicator light on the microphone base

With two red digital tube prompts, the prompt content includes microphone address, VIP

High sensitivity microphone design, with a pickup distance of up to 50cm

Supporting multiple chairpersons to be online simultaneously

Support video tracking

First in, first out speaking mode and free discussion mode are optional. Under computer control, it can support application speaking mode, queuing mode, computer allowed mode, free discussion mode, and limited time mode

Long distance transmission has no impact on sound quality

Built in 3W high fidelity speaker for conference sound reinforcement

Equipped with 3.0 headphone output interface

Hand in Hand; Connection makes the system more reliable

Up to 30 microphones can be connected on the same line

Super strong resistance to mobile phone interference

The chairman microphone has a chairman priority button function, which can close the representative unit that is speaking


Attachment List

  • SP03

  •  

  • RS-232/485 interface converter

  • Interface: Compatible with EIA/TIA RS-232C and RS-485 standards

  • Transmission distance: maximum 2 kilometers (1200BPS), effective 1200 meters

  • Usage environment: -25 to 70 , relative humidity 5% -95%

  • Size: 84X33X16mm

  •  

  • SP11

  •  

  • Signal connection line

  • Directly used to connect the system host and microphone unit

  • Parameter: Eight cores and one shielding

  • Size: 1 meter or 10 meters in length

  •  

  • SP18

  •  

  • Eight core conference microphone connection cable

  • Directly used for connection between microphone units

  • Parameter: Eight cores and one shielding

  • Size: 1.2 meters in length

  •  

  • SP13

  •  

  • T-shaped connector

  • Directly used to connect microphone cables

  • Parameters: Two eight core female sockets and one eight core male plug

  • Size: Length 70x41x21 millimeters

  •  

  •  

  • Technical parameters:

  • Model SM912D/SM912C

  • Pickup distance 0-50CM

  • Audio output amplitude<0dB, 20CM distance speech typical value is 200MV

  • Output frequency response 100Hz-18KHz

  • Signal-to-noise ratio; 80 dB

  • Power supply DC 24V

  • System sensitivity -38dB± 2dB

  • Mic pole length 385mm (Optional)

  • Weight 0.95kg

系统配置

      NameModelQtyMark
Basic Discussion System
Main controller SH2180 1pcs  
Chairman microphone SM912C 1pcs  
Delegate microphone SM912D 1-120pcs  
extension cable SP11 1  

System topology diagram