Language Laboratory System B-2086A Digital Lab
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Digital language learning system B-2086 model, which adopts advanced digital and
network technology, the system‘s hardware kernel is designed to meet the international standard requirement, so
the system has excellent advantages and stability.
BL-2086A model digital language learning system does combine the main function of a traditional analog learning
system and digital laboratory functionality. Now designed to eliminate audio-serial problems and frequent mechanical
failure associated with the analog laboratories.
Furthermore, BL-2086 has a built-in open function for students‘ self-studying, listening function and self-examination resources.
Teaching broadcasting to all students; All the students can listen to the teacher speaking
The teacher can select one or several students to demonstrate, and transfer the audio signals to the whole class
The teacher can dialogue with a selected student.
The teacher can select 1 or 2 students to translate to when listening to a tape. Other students can hear the translator and teacher voice.
The teacher starts a quiz, student select ABCDE on a student machine. Then the teacher press Answer, the interface shows students’ answers.
The teacher can divide the students into several groups (no more than 8), and each group can listen to a different program.
Clear the status of Demo, Dialogue, Translate, Quiz, Call functions. Return to default status.
The teacher can divide the students into several groups and each group can discuss independently. Divided into group 2 by row, group2 by column, group 4.
Exam Support AB-paper test and text test
Support Standardization Exam, Write Exam, Listening to Exam, Oral Exam
Monitor sound of 1 selected student
Monitor any student machine screen, the teacher can see the movement on the student’s machine
Student play audio files on the teacher computer
Read, read text files
Write text, and file can be saved on the teacher computer
Select any test and answer it, when done, check the score and make corrections
Record student sound and save it on the teacher’s computer. And a student can use Play function to listen to the voice just recorded.
IP Tel. One student can call another student to talk.
Other function E-board Under the function of Teaching and Discussing, the teacher can draw anything on the broad, and students can watch the drawing on a student machine.

Other Features and main functions:
1) Broadcast teaching function
2) Teacher lecturing function
3) The teacher can ask question
4) Individual Dialogue
5) Students raise hand indicator
6) Outside media play
7) Student‘s demonstration
8) Grouping teaching function
9) Group meeting
10) Teacher monitor
11) Teacher explanation
12) Standardization exam function
13) Listening examination
14) Random exam
15) A/B paper exam
16) Oral exam
17) Exam analysis
18) Self-study function
19) Audio request
20) Text request
21) Repeat
22) Self-examination
23) Dictionary
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LEAD Wireless Conference System Smart. Sleek. Effortless Communication.
- General Specifications
| Parameter | Details |
| Product Type | Wireless Digital Conference Microphone System |
| Model Number | M3000/F2C |
| Usage | Boardrooms, conference halls, hotels, ministries, churches, corporate presentation rooms, etc. |
| Installation | Portable / Tabletop (no wiring required) |
| Body Material | High-grade ABS + brushed aluminium finish |
| Colour | Black / Dark Graphite |
| Operating Mode | Wireless (Transmitter + Microphone Console) |
| Interface Language | English |
- Microphone Specifications
| Parameter | Details |
| Microphone Type | Dual-beam digital microphone array |
| Pickup Pattern | Unidirectional / Extended front beam |
| Frequency Response | 100Hz – 12kHz |
| Signal Processing | Digital Noise Reduction (DNR), Echo Cancellation (AEC), Automatic Gain Control (AGC) |
| Voice Capture Range | 80–120 cm effective pickup |
| Sensitivity | –45 ± 2 dB |
| Microphone Arm | Dual adjustable bars with internal mesh protection |
| Wind/Pop Filter | Integrated |
- Wireless Transmission
| Parameter | Details |
| Transmission Type | 2.4GHz or proprietary wireless band (interference-resistant) |
| Effective Range | 10–20 meters, depending on the environment. |
| Encryption | Secure digital encrypted channel. |
| Latency | < 20 ms. |
| Pairing | Auto-pair with the included wireless control unit |
- Control & Display Panel
| Parameter | Details |
| Display Type | Full-colour TFT digital screen |
| Display Functions | Battery level, signal strength, mic status, channel info, volume indicators |
| Control Buttons | Volume + / Volume, Mute, Mode Select, Power |
| Mute Indicator | LED light indicator |
| Backlight | Auto-dimming energy-saving mode |
- Power & Battery
| Parameter | Details |
| Power Input | USB Type-C, DC 5.0V / 2.0A |
| Charging Method | Type-C fast charging |
| Battery Type | High-capacity rechargeable lithium battery |
| Battery Backup | Up to 6–10 hours (depending on usage) |
| Charging Time | 2–3 hours |
| Power Module | External wireless control/charging box included |
- Audio Features
| Parameter | Details |
| Audio Codec | High-definition digital audio |
| Echo Cancellation | Yes |
| Noise Suppression | Yes multi-level DSP |
| Automatic Gain Control (AGC) | Yes |
| Feedback Reduction | Yes |
| Volume Control | Digital precision increments |
- Connectivity
| Parameter | Details |
| Ports | 1x Type-C Power Input |
| Wireless Receiver | Integrated |
| Compatibility | PA systems, multimedia devices, interactive flat panels, laptops (via external mixer/adapter) |
- Physical Specifications
| Parameter | Details |
| Base Dimensions | Approx. 150mm x 110mm x 70mm |
| Microphone Length | Dual 180mm directional bars |
| Weight | Approx. 500g |
| Material Finish | Brushed metallic texture top panel |
- Environmental Requirements
| Parameter | Details |
| Operating Temperature | 0°C – 45°C |
| Storage Temperature | –10°C – 60°C |
| Humidity Resistance | 10% – 90% (non-condensing) |
- Included Accessories
- Wireless microphone console (dual-beam unit for Chairman & single-beam unit for delegates)
- LEAD wireless control/charging box
- USB Type-C charging cable
- User manual
- Warranty card
- Warranty
| Coverage | Details |
| Standard Warranty | 12 months |
| Support | Remote & on-site (where applicable) |
| Manufacturer | Lead Technology Innovation Ltd. |


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