1. Introduction et plusview
The SIMOLIO JH-747D Wireless TV Headphones system provides a versatile audio solution for group listening and individual use. This set includes multiple wireless headphones and a transmitter, designed for ultra-low-latency TV watching and seamless Bluetooth music streaming. Enjoy clear, synchronized sound without disturbing others.

Image: Family and friends enjoying shared audio experience with SIMOLIO wireless headphones.
2. Contenu de la boîte
Your SIMOLIO JH-747D package includes the following components:
- 1 x émetteur
- 4 casque sans fil.
- 1 x Audio Cable Kit (Optical, AUX, RCA cables)
- 1 câble de charge 4 en 1
- 1 x Adaptateur secteur USB

Image: Contents of the SIMOLIO JH-747D package including transmitter, headphones, and various cables.
3. Instructions de configuration
3.1 Connexion de l'émetteur à votre téléviseur
The transmitter offers wide compatibility with various audio sources. Connect the transmitter to your TV using one of the provided audio cables:
- Cable optique: For TVs with an Optical (TOSLINK) audio output.
- Câble AUX : For TVs with a 3.5mm audio output.
- Câble RCA : For TVs with RCA audio outputs.
- Câble USB-C : For TVs with a USB-C audio output.
Ensure your TV's audio output settings are configured correctly to send audio to the connected port. For optical connections, you may need to set the TV's digital audio output format to PCM.

Image: Diagram showing multiple connection methods for the SIMOLIO transmitter to various TV audio outputs.
3.2 Pairing Headphones with the Transmitter (TV Mode)
The headphones and transmitter are pre-paired from the factory. If re-pairing is needed:
- Assurez-vous que l’émetteur est sous tension.
- On each headphone, press and hold the MFB (Multi-Function Button) for 3 seconds to power it on.
- Slide the BT/TV switch on the headphone to the "TV" position.
- The headphones will automatically connect to the transmitter. You will hear an audible confirmation "TV connected".
Video: Official SIMOLIO guide on how to set up JH-747D headphones with your TV.
4. Mode d'emploi
4.1 Dual Listening Modes
The headphones support two primary listening modes:
- 2.4GHz TV Mode: Provides ultra-low-latency audio for TV watching, ensuring perfect synchronization between video and sound.
- Mode Bluetooth: Allows seamless music streaming from Bluetooth-enabled devices like phones, tablets, or PCs. To switch to Bluetooth mode, slide the BT/TV switch on the headphone to the "BT" position and pair with your device.

Image: Headphones in TV mode and Bluetooth mode for dual listening options.
4.2 Personalized Sound Control
- Contrôle du volume : Each headphone features individual volume controls (+/- buttons) to adjust the audio level to your preference.
- Modes sonores de l'égaliseur : Cycle through 3 EQ sound modes (Dialog, Standard, Cinema) by double-clicking the MFB button for an optimized listening experience.
- Fonction muet : The MFB button can also be used for mute/unmute functionality.

Image: Close-up of headphone controls showing volume, EQ, and mute buttons.
4.3 Mode contournement
The transmitter features a Bypass mode, allowing simultaneous audio output to both your soundbar and the wireless headphones. This eliminates the need for an additional splitter.

Image: Diagram illustrating the Bypass mode, allowing TV audio to play through both headphones and a soundbar simultaneously.
5. Charger les écouteurs
The headphones can be charged using the included charging stand or directly via the USB-C port on the left earcup.
- Support de charge : Place the headphones on the charging stand, ensuring the charging contacts align. The LED indicator on the base will illuminate to show charging status.
- Chargement USB-C: Connect the 4-in-1 charging cable to the USB-C port on the headphone and a compatible USB power source.
Une charge complète offre jusqu'à 20 heures d'autonomie.

Image: Single headphone with a 20-hour battery life indicator.
6. Spécifications
| Fonctionnalité | Détail |
|---|---|
| Nom du modèle | JH-747D |
| Technologie de connectivité | Wireless (2.4G RF & Bluetooth 5.0) |
| Latence audio | 30 millisecondes |
| Autonomie de la batterie | 20 heures |
| Contrôle du bruit | Annulation passive du bruit |
| Composants inclus | 1 transmitter, 4 headphones, audio cable kit, 4 in 1 charging cable |
| Placement des oreilles | Sur l'oreille |
| Méthode de contrôle | Bouton poussoir |
7. Dépannage
If you encounter any issues with your SIMOLIO JH-747D headphones, please consider the following:
- Pas d'audio : Verify all cables are securely connected to the correct input/output ports on both the TV and transmitter. Check your TV's audio output settings to ensure it's sending audio to the selected port (e.g., PCM for optical).
- Problèmes de couplage : Ensure both the transmitter and headphones are powered on and the headphones are set to the correct mode (TV or BT). For TV mode, ensure the headphones are within range of the transmitter. For Bluetooth mode, ensure Bluetooth is enabled on your device and the headphones are discoverable.
- Qualité sonore : Check the EQ settings on the headphones. Ensure there are no obstructions or interference sources between the transmitter and headphones.
- Chargement : Confirm the charging contacts on the headphones and stand are clean and properly aligned. Ensure the charging cable is securely connected to a working power source.
8. Garantie et assistance
For any questions, technical support, or warranty inquiries regarding your SIMOLIO JH-747D Wireless TV Headphones, please contact SIMOLIO customer support directly:
- Email (US/CA/AU): support@simolio.com
- E-mail (Royaume-Uni) : support_uk@simolio.com
- Email (DE/FR/ES/IT): support_eu@simolio.com
- Courriel (JP) : support_jp@simolio.com
- Website: www.simolio.com
Please refer to your product packaging or the official SIMOLIO website Web pour obtenir les informations de garantie les plus récentes.