1. Вступ
The Shure BLX14/SM31 Wireless Microphone System is engineered for clear, reliable audio performance, particularly suited for fitness and aerobics instructors. This system combines the robust BLX4 single-channel receiver with the comfortable and durable SM31FH fitness headset condenser microphone and BLX1 bodypack transmitter. Enjoy wireless freedom with easy setup and up to 14 hours of continuous use.

2. Що в коробці
Your Shure BLX14/SM31 Wireless Microphone System package includes the following components:
- BLX4 single-channel receiver
- Блок живлення
- BLX1 wireless bodypack transmitter
- Кліп ремінь
- SM31FH fitness headset condenser mic
- Затискач для одягу
- лобове скло
- 2 батареї АА
- Посібник користувача
3. Компоненти продуктуview
BLX4 Single Channel Receiver
The BLX4 receiver is the central unit for your wireless system, featuring a user-friendly interface for channel selection and monitoring.


Передавач натільного пакета BLX1
The BLX1 bodypack transmitter is compact and durable, designed to be worn comfortably. It connects to the SM31FH headset microphone.



SM31FH Fitness Headset Condenser Microphone
The SM31FH is a durable, moisture-resistant headset microphone designed for active use in fitness and aerobics environments.

4. Налаштування
4.1. Wireless Frequency Band Selection
Before setting up, ensure the selected wireless frequency band (H9 Band: 512-542 MHz for this model) is suitable for your area. Refer to the Shure website's Wireless Frequency Finder for detailed regional information.

4.2. Налаштування приймача
Follow these steps to set up your BLX4 receiver:
- Розміщення: Position the receiver in a location that maintains a clear line of sight to the transmitter, minimizing obstructions.
- Підключення живлення: Securely connect the included power supply to the receiver's power input.
- Аудіовихід: Connect the receiver to your sound system (mixer or amplifier) using either the XLR output (Mic Out) or the 1/4" output (Instrument Out).
- Увімкнення: Увімкніть приймач, натиснувши кнопку живлення.
- Групове сканування: Press the 'group' button on the receiver to perform an automatic scan for the best available group and channel. The receiver will display the selected group and channel. Ensure all transmitters are off during this scan.
4.3. Налаштування передавача
Prepare your BLX1 bodypack transmitter and SM31FH headset microphone:
- Встановіть акумулятори: Open the battery compartment of the BLX1 bodypack transmitter and insert two AA batteries, ensuring correct polarity.
- Підключення мікрофона: Plug the SM31FH headset microphone into the TA4F (TGQ) connector on the BLX1 bodypack transmitter.
- Увімкнення: Увімкніть передавач.
- Match Group and Channel: Set the group and channel on the transmitter to match the settings displayed on the receiver. Use the 'group' and 'channel' buttons within the battery compartment to cycle through options until they align with the receiver.
5. Операція
5.1. Performing a Soundcheck
After initial setup, perform a soundcheck to ensure optimal audio levels and clear transmission:
- Activate System: Ensure both the receiver and transmitter are powered on. The 'ready' LED on the receiver should be illuminated.
- Тестовий аудіо: Speak or sing into the SM31FH headset microphone at typical performance levels. Observe the 'audio' LED on the receiver.
- Відрегулювати посилення: If the 'audio' LED is consistently red, indicating excessive sound levels (overload), adjust the gain setting on the BLX1 bodypack transmitter. For the bodypack, rotate the gain dial to decrease the setting. For handheld transmitters (if applicable), press and hold the 'channel' button for 5 seconds until a dot appears, then adjust. Aim for the 'audio' LED to be green most of the time, with occasional red flashes during peak audio.
5.2. Загальні поради щодо експлуатації
- Термін служби батареї: The BLX transmitters provide up to 14 hours of power from a single pair of AA batteries.
- Робочий діапазон: The system operates up to a range of 300 feet (100m) under optimal conditions. Maintain line of sight between the transmitter and receiver for best performance.
- Розширення системи: You can run up to 12 channels per frequency band, allowing for multiple wireless systems in one location.
6. Технічне обслуговування
To ensure the longevity and optimal performance of your Shure BLX14/SM31 Wireless Microphone System, follow these maintenance guidelines:
- Прибирання: Regularly wipe down the receiver, transmitter, and headset microphone with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Догляд за акумулятором: Remove batteries from the transmitter if the system will not be used for an extended period to prevent leakage. Use high-quality AA batteries for best performance.
- Зберігання: Store the system in a cool, dry place away from extreme temperatures and humidity. The included carrying case is ideal for protection during transport and storage.
- Headset Hygiene: For the SM31FH headset, regularly clean the microphone windscreen and replace it if it becomes worn or damaged.
7. Вирішення проблем
If you encounter issues with your Shure BLX14/SM31 Wireless Microphone System, consider the following common troubleshooting steps:
- Немає звуку/Періодичний звук:
- Check all cable connections (power, audio output, microphone to transmitter).
- Ensure both the receiver and transmitter are powered on and the 'ready' LED on the receiver is lit.
- Verify that the transmitter and receiver are set to the same group and channel.
- Replace batteries in the transmitter if they are low or depleted.
- Ensure there is a clear line of sight between the transmitter and receiver, free from obstructions.
- Погана якість звуку/перешкоди:
- Perform a new group scan on the receiver to find a clearer frequency.
- Adjust the transmitter gain to prevent audio overload (red 'audio' LED).
- Move the receiver away from potential sources of interference (e.g., Wi-Fi routers, other wireless devices, large metal objects).
- Ensure the SM31FH microphone is positioned correctly near the mouth.
8. Технічні характеристики
| Особливість | Специфікація |
|---|---|
| Назва моделі | BLX14/SM31 Wireless Cardioid Fitness Headset Microphone System |
| Бренд | Шуре |
| Номер моделі товару | BLX14/SM31-H9 |
| Діапазон бездротових частот | H9 Band (512-542 MHz) |
| Форм-фактор мікрофона | Headset (SM31FH) |
| Полярний візерунок | Однонаправлений (кардіоїд) |
| Технологія підключення | Бездротовий |
| Джерело живлення | Corded Electric (Receiver), Battery Powered (Transmitter) |
| Тип батареї | Потрібна 2 батарея типу АА (у комплекті) |
| Термін служби батареї | До 14 годин |
| Робочий діапазон | До 300 футів (100 м) |
| Кількість каналів | 1 (single channel receiver) |
| Max Systems per Frequency Band | Up to 12 (region and environment dependent) |
| АЧХ | 20 кГц |
| Співвідношення сигнал-шум | 76 дБ |
| Імпеданс | 150 Ом |
| Вага товару | 2.8 фунта |
| Розміри продукту (Д x Ш x В) | 13.5 x 12 x 4 дюймів |
| матеріал | Нержавіюча сталь |
| Дата першої доступності | 6 жовтня 2015 р |
9. Гарантія та підтримка
The Shure BLX14/SM31 Wireless Microphone System includes a 2-YEAR WARRANTY, providing peace of mind for your investment.
For additional support, detailed product information, or to access the Shure Wireless Frequency Finder, please visit the official Shure website. You can also contact Shure customer service for technical assistance.





