1. Introduction
The EXMAX EX-318 wireless tour guide system facilitates one-way audio communication from a presenter to an audience. The system consists of a microphone-equipped transmitter for the presenter and lightweight ear-hook receivers for listeners. This system is designed for clear audio transmission in various environments, including noisy settings or situations requiring distance between the speaker and listeners.
Common applications include factory tours, multilingual meetings, portable audio descriptions for events, command training, and educational settings.
2. Product Overview
2.1 Components
The EXMAX EX-318 system typically includes the following items:
- Transmitters
- Receivers (ear-hook type)
- Lavalier Microphones
- Head-worn Microphones
- USB-C Charging Cables
- 64-Slot Charging Case (USB-C compatible)
- Lanyards
- User Manual
2.2 Key Features
- 2.4GHz Universal Frequency: Operates on a 2.4GHz band, suitable for worldwide use without regional restrictions. Features frequency-hopping spread spectrum technology to minimize interference.
- Long Transmission Range: Provides a maximum transmission distance of up to 120 meters (394 feet) in open areas, with stable signal reception even through obstacles.
- Multi-Group Simultaneous Use: Supports up to 99 groups operating concurrently in the same location without signal interference, utilizing 99 available channels. Each channel supports one speaker.
- Timed Shutdown Function: Allows setting an automatic shutdown time for receivers.
- One-Click Synchronization: Enables quick synchronization of channels for all receivers from the transmitter.
- One-Click Receiver Shutdown: Allows the transmitter to turn off all connected receivers simultaneously.
- Mute Function: A dedicated mute button on the transmitter temporarily silences the microphone.
- Versatile Input Options: Transmitter supports both microphone (MIC) and auxiliary (AUX) inputs for connecting external audio sources like smartphones or MP3 players.
- Extended Battery Life: Receivers offer up to 45 hours of operation on a 3-hour charge (450mAh battery). Transmitters provide up to 25 hours of operation on a 4-6 hour charge (1200mAh battery).
- USB-C Charging: Both transmitters and receivers feature USB-C charging ports for flexible and efficient power replenishment.
- PLL Technology: Built-in Phase-Locked Loop (PLL) technology ensures high confidentiality, strong anti-interference capability, and stable, clear audio quality.
2.3 Product Images
Figure 1: Overview of the EXMAX EX-318 Wireless Tour Guide System components.
Figure 2: Detailed view of the EXMAX EX-318 Transmitter, highlighting its USB-C charging port, microphone input, and control buttons.
Figure 3: Detailed view of the EXMAX EX-318 Receiver, showing its USB-C charging port, volume controls, and comfortable ear-hook design.
Figure 4: The 64-slot charging case for the EXMAX EX-318 system, designed for simultaneous charging of multiple units via USB-C.
3. Setup Instructions
3.1 Connecting Microphones and Lanyards
To prepare the transmitter for use:
- Insert the lavalier microphone or head-worn microphone into the MIC port on the top of the transmitter.
- Attach the lanyard to the designated loop on the transmitter for portable use.
Video 1: Demonstrates how to connect the microphone and lanyard to the EXMAX EX-318 transmitter.
3.2 Charging the System
Both transmitters and receivers are equipped with USB-C charging ports. Use the provided charging cables or the 64-slot charging case to charge the devices.
- Transmitter: Full charge in 4-6 hours, provides up to 25 hours of operation.
- Receiver: Full charge in approximately 3 hours, provides up to 45 hours of operation.
Video 2: Instructions on how to charge the EXMAX EX-318 transmitters and receivers using the charging case.
3.3 Synchronizing Transmitters and Receivers
To ensure all receivers are on the same channel as the transmitter:
- On the transmitter, simultaneously press the left and right navigation buttons until the signal tower icon disappears from the display.
- Use the left or right buttons to select the desired channel ID.
- Press and hold the "PAIR" button on the transmitter for 5 seconds until the four digits on the display flash. This enters sync mode.
- For each receiver, simultaneously press the "+" and "-" volume buttons until the red and blue lights flash, indicating it's in sync processing mode.
- Once successfully synced, the receiver's blue light will become stable.
- To exit sync mode on the transmitter, press the power button. The blue LED on the receiver will flash, indicating normal speaking mode.
Video 3: Guide on how to synchronize the EXMAX EX-318 transmitter with multiple receivers.
4. Operating Instructions
4.1 Power On/Off
- Transmitter: Press and hold the power button for 3 seconds to turn on. Press and hold for 1 second to turn off.
- Receiver: Press and hold the power button for 1 second to turn on or off.
Video 4: Demonstrates basic button operations for the EXMAX EX-318 system, including power on/off, volume, and mute.
4.2 Adjusting Volume
On the receiver, use the "+" and "-" buttons to adjust the listening volume to a comfortable level.
4.3 Mute Function
On the transmitter, press the "MUTE" button to temporarily silence the microphone. Press it again to unmute.
4.4 Timed Shutdown
To set a timed shutdown for the transmitter and all synced receivers:
- On the transmitter, press and hold the "TIME" button for 5 seconds until "TI" flashes on the display.
- Click the "TIME" button repeatedly to cycle through preset shutdown times (1 section = 1 hour). "0" means no timed shutdown is set.
- To apply this setting to all synced receivers, press and hold the "PAIR" button for 5 seconds. The receivers will automatically match the transmitter's timed shutdown setting, indicated by a stable blue light.
- Press the power button on the transmitter to exit the timed shutdown setting mode.
Video 5: Instructions on how to set the timed shutdown feature for the EXMAX EX-318 system.
4.5 Shutting Down All Receivers
To turn off all synced receivers from the transmitter:
- On the transmitter, press and hold the "OFF" button for 5 seconds. The display will flash "OFF".
- All connected receivers will be forcibly turned off.
- Press any button on the transmitter to exit this mode.
5. Maintenance
- Keep the devices clean and dry. Use a soft, dry cloth for cleaning.
- Avoid exposing the devices to extreme temperatures, humidity, or direct sunlight.
- Store the system components in the provided charging case when not in use to protect them from damage.
- Ensure proper charging by using only the supplied cables and charging case.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio from receiver. | Receiver is off, low battery, not synced, or volume is too low. | Ensure receiver is powered on and charged. Verify it is synced to the correct channel. Increase receiver volume. |
| Poor audio quality/interference. | Distance too far, obstacles, or other 2.4GHz devices interfering. | Reduce distance between transmitter and receiver. Minimize physical obstructions. Try changing the channel ID on the transmitter. |
| Transmitter not turning on. | Low battery or power button not held long enough. | Charge the transmitter. Press and hold the power button for 3 seconds. |
| Receivers not shutting down with transmitter. | Receivers not properly synced or "OFF" button not held long enough. | Ensure receivers are synced. Press and hold the "OFF" button on the transmitter for 5 seconds. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | EXMAX |
| Model Number | EX-318 |
| Connectivity Technology | Wireless (2.4GHz) |
| Transmission Range | Up to 120 meters (394 feet) |
| Number of Channels | 99 (supports up to 99 groups simultaneously) |
| Transmitter Battery Life | Up to 25 hours (1200mAh, 4-6 hours charging) |
| Receiver Battery Life | Up to 45 hours (450mAh, ~3 hours charging) |
| Charging Port | USB-C (Type-C) |
| Transmitter Weight | 72g (0.16 lbs) |
| Receiver Weight | 25g (0.05 lbs) |
| Ear Placement | On Ear (ear-hook design) |
| Noise Control | Sound Isolation |
| Material | Aluminum, Plastic |
| Carrying Case Dimensions | Length: 22.24 Inches, Width: 10.43 Inches, Height: 5.51 Inches |
| Carrying Case Weight | 9.7 Pounds |
8. Warranty and Support
The EXMAX EX-318 Wireless Tour Guide System comes with a 2-Year Manufacturer Warranty.
For technical support, troubleshooting assistance, or warranty claims, please contact EXMAX customer service. Refer to the contact information provided in your product packaging or visit the official EXMAX website.
This product is sold by EXMAX(For None-FBA Order Delivery Time:5-15 Days).