Min. Order : 1 Piece
5-9 Pieces
10-29 Pieces
≥30 Pieces

4 Lines USB Automatic Telephone Recorder System, 4 Ports USB Telephone Voice and Caller ID Recorder

Note: Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
Trade Assurance
Built-in order protection service in alibaba.com
Product quality
On-time shipment
More on shipping and other trade services.

Quick Details

Brand Name: YSNAR
File Format: WAV, 2 times compression
Place of Origin: Guangdong China
OS: Win XP, 7, 8, 10 (32 bit and 64 bit)
Cabinet: High Quality Iron
Service: OEM / ODM
Record: Analog, PSTN, LandLine, PBX Ext
Record Audio Format: WAV
Voice Process: AGC
Channel Number: 4 Ports / Channels
Model Number: DAR-4U
Certification: ce,RoHS
Packaging Detail: carton
Selling Units: Single item
Single package size: 23X14X5 cm
Single gross weight: 0.65 KG
Package Preview: https://sc04.alicdn.com/kf/H4733f417fad64f7587b43b9907047b3fe.jpg_640x640.jpg
Shenzhen Yishi Electronic Technology Development Co., Ltd.
Gold Supplier
Manufacturer, Trading Company
Response Time
On-time delivery rate
US$ 1,000+
Visit Store

Title DAR-4U-S-New.jpg4 Lines USB Automatic Telephone Recorder System, 4 Ports USB Telephone Voice and Caller ID Recorder

Product Description

 The DAR- 4U recording box are the newest generation of telephone recording equipment which independent developed by our company .they are developted according to  demands of customers in 2014. It not only small but also simple installational , easy operational and steady .and they are the most advanced  telephone equipment all over the world.

DAR-4U 8U Connection.jpg


Basic Functions:

      1. Multi-channel recording: One computer can  connect 1 USB recording box (16 channels at most).

      2. Data management: Recording system can print out, statistic and analysis for dialing in ,dialing out and incoming call data .Also can transfer GSM recording data to MP3 and WAV format.

      3. Digital recording: Recording system use digital mode for recording and hi-fi original sound for playing.1G hard disk space can contain recording data for 175 hours.

      4. Automatic recording: Audio control(A) voltage control(V) and key control(K) are available .Dialing in and dialing out phone can be recorded automatically. 

      5. Number showing: Telephone number "DTMF"and "FSK" mode can be showed and recorded correctly.

      6. Client management: Recording system can input and modify customer information through server. Pop up client information through local computer and network automatically according to incoming call number.

      7. Quick search: Recording can be searched and printed quickly according to channel number, call date and company name. Data can be played through audio card or recording card.

      8. Monitor: Any channel telephone can be monitored in real time through local computer and network..

      9. Safe and reliable: Password management and classified customer right make recording data safer and more reliable. Any recording wont be missed.

    10.Time setting: Set starting and stopping record time as you wish during 24 hours.


USB Telephone Recorder IT01.jpg

Performance Characteristics:

*     Digital record: fully digital mode for record and playback, hi-fi reappearance of the original sound, hard disk of 1G able to record 175 hours.

*      Visual interface: 800*600 figure resolution display provided. Detailed display of working mode, operation indication and query result record.

*     Automatic recording : Audio ,voltage and key control are supported when recording start modes , the host calling receive mode DTMF and FSK was supported automatically.

*      Caller ID: caller company alarm alert to achieve real-time monitor.

*      Quick search: quick search and print of complicated call record; search and print functions of channel number, call date, phone number, company name.

*      Print function: print the query result by local or network printer.

*      Cycling record: cycling record according to designated record space and automatic deletion of the earliest record in batches.

*     Time record: able to pre-set record time.

*     Talk monitor: any computer connected by the internet can monitor the talk over the Server and also can check the talking information any time.

*     Parallel operation: record, call record, search and playback in the same time.

*      Alarm function: key operation, machine and fault with alert and warning.

*      Network function: management of the equipment and search and playback of record through network sa Internet or LAN.

*     Safe and reliable: classified password right management and high confidence of call record.


USB Telephone Recorder IT02.jpg


Record Mode:

  There are three record modes of the system for you to choose from: auto, voice and manual control.

  Auto voltage control: record according to voltage change, ie, start when telephone is picked up while finish when telephone is hung up.

  Voice voice control: record based on whether there is sound signal in the line check, such as interphone and so on;

  Manual Phone keystroke control: start and finish the record according to the content of the call by the caller through keystroke.


USB Telephone Recorder IT03.jpg


DAR-1U/2U/4U/8U/16U USB Voice Logger / Telephone Recorder Specification:



Recording channels

1ch, 2ch, 4ch, 8ch and 16ch

Recording interface

USB Port

Voice file


Recoding File Compression

8 Time

Start recording mode

Voltage Trigger, Keying, Voice Activated, Mouse

Off hook detect voltage


On hook detect voltage


CID detected signal


CID detect intensity range

0 dB to –32dB

Affected Frequency range

0 Hz to 8000 Hz

Input impedance

600 ohms or5.1Mohms

Signal-to-crosstalk ratio

>60 dB

S/N ratio

>70 dB

Operating current


Maximum current


Rating power consumption


Operating Temperature

-20℃ to 60℃

Operating Humidity

10% to 90 %


RJ11 cord, USB cord, software and User Manual CD


7*6.5*2.5(1,2ch), 15.5*10.5*2.7(4,8ch), 22*11*3(16ch)

Net Weight(without accessories)

0.1kgs(1.2ch), 0.4kgs(4,8ch), 0.6kgs(16ch)


Technical Parameters:

Input: 1  to  16 channels

Impedance: high impedance >100K ohm

Signal-to-Noise: 50dB

Frequency response: 300Hz  to  3400Hz

Digital mode:  GSM

Collection speed: 12.5Kbit / 1s compression ratio is 5

Average search path: 39MS

Power consumption: 300W MAX

Celsius: +5  to +40

Humidity: 5%  to  85%


USB Telephone Recorder IT04.jpg


Hardware Requirements:

          Operate system:Windows98/ME/2000/XP/2003/Vista/Win 7/Win 8/Win10(32bits and 64bits)

          CPU:Intel Celeron 800 or above

          Hard disk:No less than 20G

          Memory:Big No less than 128M

          Monitor:VGA 800x600


CE RoHs Certificates.jpg

Packaging & Shipping


Our Services

OEM and Customizable Software.
One year quality warranty and Life-long repair. 

Company Information

I don't want to exagerate but we are the one of the top 3 manufacturers of "Telephone Recorders / Voice Logger" in China.


Shenzhen YiShi Electronic Technology Development Co., Ltd is a high technology company in security area. We have Branch Company in Hong Kong and modern SMT plant in Mainland China, which has obtained ISO9001 and 2000 certification, so as to provide sufficient insurance of products quality and meet your demand for higher quality and lower price. Our modern SMT plant and R&D department offer PCB assemble and OEM service too.

Our main products are as follow:

1. Voice Logger / Telephone Recorders, Standalone Type and PC on Based Type.
2. OEM/ODM PCBs, PCBA service

As a manufacturer, our price is very competitive. Most of our products are exported to Western Europe, North America, Eastern Europe, Middle-East Europe, and etc overseas many other countries. We'll do our utmost to meet customer's requirements with a positive attitude, so your constant interest and encouragement would be highly appreciated.

High quality, sincere service and low price is our value and our promises to our customer. As an enterprise integrated with manufacture and sales, we have confidence to launch more competitive products to cope with more severe competition. YiShi is your sincere partner.


Q: What kind of product you make?

A:The main products: Voice Logger / Telephone Recorder, Standalone Type and PC on based Type, P2P Cloud Network Voice Logger


Q: Are you really manufacturer or trading company? 

A: We have our own factory and engineer team. The service including  offering  the technology and support of Telephone voice recorder, PCBs and so on oversea.


Q: What is your MOQ?

There are different standard of MOQ for different goods. If you want to customize but your quantity is small, the price will be higher than the normal one. Because we give the quotation according to the cost of production. 


Q: How long will be the lead time for samples and production?

A: Generally, we have the goods in stock when your order quantity is less than 1000pcs, and 2-3 weeks for customize products. As if volume order, pls check with our sales.


Q: Do you have any certification to ensure the quality?       

A:ISO9001, CE and patents for some products. 


Q: What Payment term you are running?

TT, Western Union, Paypal

Contact Info

Joe Schelling
Skype: yishisz08
Mob/WhatsApp/WeChat: +86-13537695887
Tel: 0086-755-83756063
Fax: 0086-755-83756060
Add: Rm.303, Qilong Center, Bldg 20, Guangqian Cun Industrial Area, Nanshan, Shenzhen, GD, 518073, China.