1. Pendahuluan dan Selesaiview
The EXMAX E108 DSP Stereo Wireless Headsets FM Radio Broadcast System is a professional solution designed for clear and stable audio transmission in various settings. It features real digital signal transmission, ensuring high-quality audio with minimal noise (<60dB).
This system supports both stereo and mono audio output, with adjustable volume for both AUX line-in and microphone inputs. The FM transmitting frequency is adjustable, allowing for broad compatibility. Its portable design includes a large digital LCD screen for easy operation and can be expanded to connect one transmitter with countless receivers.

The EXMAX E108 system includes one transmitter and multiple receivers, designed for clear audio transmission.
2. Panduan Pengaturan
2.1. Pemasangan Baterai
Transmitter (EX-831): The transmitter is powered by a BL-5C 3.7V 1000mAh Li-on battery. Open the battery compartment cover, insert the BL-5C battery correctly, ensuring proper polarity, and then close the cover.
Sebuah visualisasiview of the EXMAX EX-831 wireless FM radio transmitter, detailing its physical features and components, including battery installation.
Receiver (E108): The receiver requires 2 AAA batteries (not included). Open the battery compartment, insert the AAA batteries correctly, paying attention to positive and negative poles, and close the cover.
Explore the appearance and design of the EXMAX E108 portable FM radio receiver, including battery installation.
2.2. Aksesori Penghubung
Mikrofon (Pemancar): Plug the lapel microphone into the MIC input port on the transmitter.
Headphones (Receiver): Insert the ear-in headphones into the 3.5mm headphone jack on the receiver.

Close-up of the transmitter's controls and ports, including TF card, MIC, and AUX inputs.
2.3. Daya Hidup/Mati
To turn the device on or off, long-press the power button located on the front panel of both the transmitter and receiver.
This video demonstrates how to set the time on the EXMAX E108 portable FM radio receiver, which includes powering on/off.
3. Petunjuk Pengoperasian
3.1. Adjusting Volume (Receiver)
Gunakan VOL+ Dan VOL- buttons on the receiver to adjust the listening volume. The receiver offers 30 levels of volume control.
Learn the easy operation of the EXMAX E108 portable FM radio receiver, including volume adjustment.
3.2. Selecting Stereo/Mono Mode (Receiver)
Tekan tombol Ukuran S/M button on the receiver to switch between stereo and mono audio output modes.
This video also covers selecting stereo or mono mode on the EXMAX E108 receiver.
3.3. Adjusting Channel Frequency
Pemancar: Klik tombol MENU button on the transmitter until "FM" flashes. Then, use the SEBELUMNYA or BERIKUTNYA tombol untuk mengatur frekuensi.
Penerima: Gunakan TUN+ or TONG BESAR- buttons on the receiver to adjust the frequency. Ensure the receiver is on the same frequency as the transmitter to receive the audio signal.
This video guides you through the process of adjusting the channel on both the EXMAX FM transmitter and the E108 receiver.
3.4. Automatic Channel Search and Storage (Receiver)
To automatically search for FM channels, long-press the TUN+ or TONG BESAR- button for 2 seconds. To store a channel, press the MEM button when the channel frequency is flashing, then select a memory slot (1-5) to save the channel.
This video demonstrates how to search for and store FM channels on the EXMAX E108 radio receiver.
3.5. Memutar MP3 Files (Pemancar)
Insert a TF card (MP3 format only) into the TF card port on the transmitter. The device will enter MP3 playback mode. Use the SEBELUMNYA/BERIKUTNYA buttons to select tracks and the play/pause button to control playback.
Learn the easy operation of the EXMAX EX-831 wireless FM radio transmitter, including MP3 playback functions.
3.6. Adjusting Transmitter Power
Tekan tombol MENU button on the transmitter repeatedly until the signal icon flashes. Then, use the SEBELUMNYA or BERIKUTNYA buttons to cycle through the four power output levels: 0.01mW, 10mW, 100mW, and 200mW.
3.7. Fungsi Kunci/Buka Kunci
To prevent accidental operation, long-press the KUNCI button on the receiver for 2 seconds to lock all keys. Long-press again for 2 seconds to unlock.
This video demonstrates the lock/unlock function on the EXMAX E108 portable FM radio receiver.
4. Fitur & Spesifikasi
4.1. Fitur Utama
- Professional Wireless FM Radio Broadcast Tour Guide System with real digital signal transmission.
- Stable and clear audio quality with noise level <60dB.
- Designed with Stereo and Mono audio output, both AUX line-in and Microphone volume are adjustable.
- FM Transmitting frequency is adjustable across the public FM band.
- Portable size with large digital LCD screen display.
- Expandable: One transmitter can pair with countless receivers.
- Maximum transmission distance of about 80 meters (open area, no obstacles).
- Transmitter powered by BL-5C 3.7V 1000mAh Li-on battery, with 4 levels of power output (0.01mW, 10mW, 100mW, 200mW).
- Transmitter broadcasting modes: 3.5mm AUX input, Mic input (with lapel microphone), and TF card support (MP3 format).
- Receiver FM frequency range (No AM), using digital signal processing technology.
- Receiver features 5 station presets for manual storage and quick selection.
- Receiver includes mono/stereo selectable mode and a 24-hour digital clock.
- Receiver powered by 2 AAA batteries (Not Included).
- 30-level volume control and lock switch to prevent accidental operation.
- Comes with an ear-in headphone and a lanyard for comfortable wearing.

An infographic explaining the working principle of the FM transmitter and its diverse applications in guided tours, presentations, and meetings.
4.2. Spesifikasi Teknis
| Spesifikasi | Detil |
|---|---|
| Merek | EXMAX |
| Nomor Model | E108 |
| Warna | White (Receiver), Gray (Transmitter) |
| Penempatan Telinga | Di Telinga |
| Faktor Bentuk | Di Telinga |
| Impedansi | 100 Ohm |
| Berat Barang | 1.01 Kilogram (Sistem) |
| Kontrol Kebisingan | Isolasi Suara |
| Rentang Frekuensi | Frekuensi 87.5-108MHz |
| Jenis Penggerak Audio | Driver Dinamis |
| Fitur Tambahan | Mikrofon Termasuk |
| Bahan Penutup | Plastik |
| Perangkat yang Kompatibel | Smartphones, Computers, MP3 Players, FM Radios, Audio Devices |
| Fitur Kabel | Retractable, Without Cable (for receiver) |
| Soket Headphone | 3.5 mm Jack |
| Teknologi Konektivitas | Nirkabel (RF) |
| Battery Charge Time (Transmitter) | 5 Jam |
| Battery Average Life (Transmitter) | 8 Hours (depending on power output level) |
5. Pemeliharaan
To ensure the longevity and optimal performance of your EXMAX E108 system, follow these maintenance guidelines:
- Pembersihan: Use a soft, dry cloth to clean the exterior of the transmitter and receivers. Avoid using harsh chemicals or abrasive materials.
- Penyimpanan: Store the devices in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Remove batteries if the devices will not be used for an extended period.
- Perawatan Baterai: For the transmitter's Li-on battery, avoid overcharging or completely draining the battery frequently to prolong its lifespan.
- Perawatan Kabel: Handle all cables and connectors gently to prevent damage. Avoid sharp bends or excessive pulling.
6. Penyelesaian masalah
If you encounter issues with your EXMAX E108 system, refer to the following common troubleshooting steps:
- Tidak Ada Daya: Ensure batteries are correctly installed and charged. For the receiver, check if AAA batteries are new or have sufficient charge. For the transmitter, ensure the BL-5C battery is charged.
- No Sound/Poor Reception:
- Pastikan bahwa pemancar dan penerima sama-sama menyala.
- Check that the transmitter and receiver are set to the same FM frequency.
- Ensure the microphone is properly connected to the transmitter and headphones to the receiver.
- Adjust the volume on both the transmitter (if applicable for AUX/MIC input) and receiver.
- Check the transmission distance; ensure it's within the 80-meter range and minimize obstacles.
- Confirm the receiver is not in 'Lock' mode.
- Unable to Change Channel/Settings: Check if the device is in 'Lock' mode. Long-press the LOCK button to unlock.
- Masalah Pemutaran MP3: Ensure the TF card is inserted correctly and contains MP3 format files.
7. Garansi dan Dukungan
EXMAX products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please contact EXMAX customer service through the retailer where the product was purchased or visit the official EXMAX weblokasi.
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