Live Sound Card User Manual
Brand: Shenzhen Qiandian Technology Co., Ltd
Model: M1
I. Product Profile
Thank you for choosing our product. Shenzhen Qiandian Technology Co., Ltd is dedicated to the research, development, and provision of high-quality audio products, backed by a professional R&D team and a stringent quality control system.
II. Packaging List
- Sound card x1
- USB cable x1
- User manual x1
III. System Requirements
Compatible with Android, iOS, Windows, and macOS operating systems.
IV. Software Support
Compatible with various applications including Sing APP, Karaoke APP, Vlog APP, Music APP, and Live Broadcast APP. Works with platforms like TikTok, Kuaishou, QQ, WeChat, Panda TV, Huya, Douyu, Bilibili, and more.
V. Schematic diagram of the mainframe
Internal signal flow diagram showing audio inputs processed through preamplification, EQ, effects, and mixing stages before outputting to main, monitor, and USB.
Device Layout Description
The front panel features multiple input jacks (XLR, 1/4-inch, 3.5mm) for microphones and instruments. Control elements include knobs for gain, volume, and equalization (EQ) settings, alongside buttons for power, mute, and phantom power. LED indicators display power, signal, and clip status. Output connections include 1/4-inch jacks and a USB port.
Connection Diagrams
VI. Seven, schematic diagram of the connection, web-broadcast
Diagram illustrating audio connections for web broadcasting: microphones and instruments connect to sound card inputs (XLR, 1/4-inch). Main outputs connect to speakers or monitoring systems, with a headphone output provided for personal monitoring.
VII. Computer connection diagram
Shows USB connection between the sound card and a computer for audio data transfer. This enables recording, streaming, and playback by routing audio from microphones/instruments to the computer and audio from the computer back to the sound card.
VIII. Computer accompaniment and computer live broadcast
Setup for playing backing tracks from a computer via USB to the sound card, which outputs the audio. It also supports broadcasting live audio mixed with computer audio, allowing for integration of performance audio with pre-recorded tracks.
IX. Charging connection
Illustrates powering the sound card via a USB cable connected to a power adapter, computer USB port, or portable power bank, providing both power and data connection.
Quad mobile phone live broadcast
Diagram showing multiple mobile phones (e.g., four) connected to the sound card for simultaneous live broadcasting, facilitating multi-device audio management.
VI. Specification parameters
| Item | Specification | Model M1 |
|---|---|---|
| Power Supply | DC 5V/1A | DC 5V/1A |
| Power Consumption | 5W | 5W |
| Dimensions | 180x120x45mm | 180x120x45mm |
| Weight | 450g | 450g |
| Operating Temp. | 0°C-40°C | 0°C-40°C |
| Storage Temp. | -20°C-60°C | -20°C-60°C |
| Frequency Response | 20Hz-20KHz | 20Hz-20KHz |
| SNR | >90dB | >90dB |
| THD | <0.1% | <0.1% |
| Phantom Power | 48V | 48V |
| Input Impedance | Mic: 2.4kΩ, Line: 10kΩ | Mic: 2.4kΩ, Line: 10kΩ |
| Output Impedance | 100Ω | 100Ω |
| USB Interface | USB-C | USB-C |
| Model Number | M1 | M1 |
| Manufacturer | Shenzhen Qiandian Technology Co., Ltd |
FCC Statement
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.