1. مقدمه
The Douk Audio Nobsound MC103 Pro is a passive 1-input, 3-output stereo XLR audio switch designed for managing multiple audio outputs from a single source. This device allows users to connect one stereo XLR audio source to three different amplifiers or audio systems, facilitating easy comparison or selection between them without reconnecting cables. Its passive design ensures no impact on sound quality, making it suitable for high-fidelity audio setups.
2. ویژگی های محصول
- 1-Input, 3-Output Configuration: Supports one stereo XLR input and three stereo XLR outputs, allowing connection to multiple audio devices.
- Passive Design: Operates without power, ensuring no signal degradation or introduction of noise, preserving the original audio quality.
- ساخت و ساز با کیفیت بالا: Features an all-aluminum shell for effective shielding against external noise and enhanced durability.
- Gold-Plated XLR Ports: Provides reliable electrical connections and minimizes signal attenuation.
- Shielded Internal Wiring: Each channel is connected with shielded wire to prevent interference and ensure lossless signal transmission.
- اندازه فشرده: Exquisite and mini-sized design for easy placement and portability.
- Smooth Selector Knob: Equipped with silver-plated contacts for smooth and precise switching between outputs.
۱. دستورالعملهای راهاندازی
Follow these steps to correctly set up your Nobsound MC103 Pro audio switch:
- شناسایی اتصالات: Locate the 'I/O' (Input/Output) ports on the rear panel for your single audio source and the 'X', 'Y', 'Z' output ports for your three destination devices.
- منبع صوتی را وصل کنید: Connect your stereo XLR audio source (e.g., DAC, CD player) to the 'I/O' input ports on the rear of the MC103 Pro. Ensure correct left (L) and right (R) channel connections.
- اتصال دستگاه های خروجی: Connect your three stereo XLR output devices (e.g., amplifiers, powered speakers) to the 'X', 'Y', and 'Z' output ports. Maintain correct left (L) and right (R) channel orientation for each output.
- قرار دادن: Place the MC103 Pro on a stable, flat surface. Its compact size allows for flexible placement within your audio setup.


4. دستورالعمل های عملیاتی
Operating the Nobsound MC103 Pro is straightforward:
- روشن کردن دستگاه ها: Ensure all connected audio source and output devices are powered on and functioning correctly.
- Select Output: Use the large rotary knob on the front panel to select your desired output channel. The knob is labeled 'X', 'Y', and 'Z' corresponding to the output ports. Rotate the knob to align the indicator with the chosen output.
- پخش صدا: Once an output is selected, audio from your source will be routed to the corresponding connected device.

5. تعمیر و نگهداری
To ensure the longevity and optimal performance of your MC103 Pro:
- تمیز کردن: برای تمیز کردن قسمت بیرونی از یک پارچه نرم و خشک استفاده کنید. از پاک کننده ها یا حلال های ساینده خودداری کنید.
- محیط زیست: Keep the device in a dry, dust-free environment. Avoid exposure to extreme temperatures, humidity, or direct sunlight.
- اتصالات: Periodically check all XLR cable connections to ensure they are secure and free from corrosion.
- رسیدگی: Handle the unit with care. While robust, dropping or subjecting it to strong impacts can cause internal damage.

6 عیب یابی
If you encounter issues with your MC103 Pro, consider the following:
- بدون صدا:
- Ensure all XLR cables are securely connected to both the source, the MC103 Pro, and the output devices.
- Verify that the selector knob is correctly pointing to the desired output (X, Y, or Z).
- Check the power and volume levels of your audio source and output devices.
- Test with different cables to rule out faulty wiring.
- صدای مخدوش:
- Ensure all connections are firm and free from loose contacts.
- Verify that the audio source is providing a clean signal.
- Check for any external interference sources near the unit or cables.
- صدای متناوب:
- Inspect XLR cables for damage or loose pins.
- Ensure the selector knob is fully engaged in one position.
7. مشخصات
| شماره مدل | GFJ721-3M |
| ابعاد محصول | 4.13 x 5.83 x 2.72 اینچ (105 x 148 x 69 میلیمتر) |
| وزن مورد | 1.46 پوند (662 گرم) |
| نوع رابط | XLR |
| دستگاه های سازگار | میکروفون پیشamps, Powered Speakers with XLR input, Professional Audio Mixers |
| رنگ | مشکی |
| سازنده | نوبصدا |

۹. ویدیوی رسمی محصول
9. گارانتی و پشتیبانی
Douk Audio products typically come with a standard manufacturer's warranty covering defects in materials and workmanship. For specific warranty details, duration, and to initiate a support request, please refer to the warranty card included with your product or visit the official Douk Audio webرسید خرید خود را به عنوان مدرک خرید نگه دارید.
For technical assistance, troubleshooting beyond this manual, or general inquiries, please contact Douk Audio customer support through their official channels.