1. Introduzione
Thank you for choosing the SIMOLIO SM-829D2 Dual Wireless Headphones for TV. This system is designed to provide an enhanced audio experience for television viewing, offering clear dialogue, adjustable volume, and the convenience of wireless listening. The 2-in-1 transmitter and charging stand ensures your headphones are always ready for use. This manual will guide you through the setup, operation, and maintenance of your new headphones.

Image 1.1: The SIMOLIO SM-829D2 Dual Wireless Headphones with their charging stand.
2. Contenuto della confezione
Si prega di verificare che tutti gli articoli siano presenti nel pacco:
- 2 x SIMOLIO SM-829D2 Wireless Headphones
- 1 x Transmitter / Charging Stand
- 1 cavo audio ottico
- 1 cavo audio RCA
- 1 cavo audio da 3.5 mm
- 2 x cavi di ricarica USB
- 1 x adattatore di alimentazione
- 1 x Spare Rechargeable Battery
- 1 x Manuale utente (questo documento)

Image 2.1: All components included in the SIMOLIO SM-829D2 package.
3. Configurazione iniziale
3.1. Carica delle cuffie
Before first use, fully charge both headphones and the spare battery. Place the headphones on the charging posts of the transmitter stand. Insert the spare battery into the designated slot on the stand. The charging indicator lights will show charging status.

Image 3.1: Headphones and spare battery charging on the 2-in-1 stand.
3.2. Collegamento del trasmettitore al televisore
The SIMOLIO SM-829D2 transmitter supports Optical, RCA, and 3.5mm AUX audio inputs. Choose the connection method compatible with your TV.
- Connessione ottica (consigliata per audio digitale):
- Connect one end of the Optical cable to the USCITA OTTICA porta sulla TV.
- Collegare l'altra estremità al OTTICA IN port on the SIMOLIO transmitter.
- On your TV's audio settings, set the Digital Audio Output format to PCM. (Refer to your TV manual for specific instructions).
- Connessione RCA (audio analogico):
- Connect the red and white plugs of the RCA cable to the corresponding USCITA AUDIO (L/R) porte sul televisore.
- Collegare l'altra estremità al INGRESSO RCA ports on the SIMOLIO transmitter.
- Connessione AUX da 3.5 mm (audio analogico):
- Collega un'estremità del cavo audio da 3.5 mm al CUFFIA USCITA or USCITA AUDIO porta sulla TV.
- Collegare l'altra estremità al AUX IN port on the SIMOLIO transmitter.

Image 3.2: Connection options for the SIMOLIO transmitter.
3.3. By-Pass Feature (Simultaneous Audio Output)
The transmitter includes a by-pass feature, allowing audio to be sent to both the headphones and an external sound system (soundbar or AV receiver) simultaneously. Connect your soundbar or AV receiver to the USCITA ALL'ALTOPARLANTE ports on the transmitter using the appropriate cable (Optical, RCA, or AUX).

Image 3.3: Using the by-pass feature to output audio to both headphones and a soundbar.
3.4. Accensione e connessione automatica
Once the transmitter is connected to your TV and powered on, turn on the headphones. The headphones and transmitter will automatically connect. No complex pairing process is required. The system operates on a 2.4GHz radio frequency, providing a working range of up to 30 meters (100 feet).

Image 3.4: Plug & Play functionality with a 30-meter working range.
4. Istruzioni per l'uso
4.1. Regolazione del volume e del tono
Each headphone features independent volume controls. Use the volume buttons on the headphones to adjust the listening level to your preference. The transmitter also has a TONE adjustment switch with three presets (D+, D, S) to enhance dialogue clarity or provide a balanced sound experience.
- D+ (Dialogue+): Maximizes dialogue clarity, ideal for speech-heavy content.
- D (Dialogue): Enhances dialogue while maintaining a balanced sound.
- S (Standard): Fornisce un audio bilanciato profile per l'ascolto generale.

Image 4.1: Personalize your TV sound with tone presets and individual volume control.
4.2. Controllo dell'equilibrio
For users with different hearing levels in their left and right ears, the headphones offer a balance control feature. This allows you to adjust the audio output balance between the left and right earcups for a more comfortable and clear listening experience.
4.3. Ambient Sound Amplifier (MIC Button)
The MIC button on the headphones allows you to temporarily amplify ambient sounds, enabling you to hear your surroundings without removing the headphones. Press the MIC button to activate this feature and press it again to return to TV audio.
4.4. Dual Headset Usage
The SIMOLIO SM-829D2 system includes two headphones that can be used simultaneously with a single transmitter. This allows two individuals to enjoy TV audio at their preferred volume levels without disturbing others. The system ensures no lip-sync delay, providing synchronized audio with on-screen video.

Image 4.2: Enjoying TV with dual headphones and no lip-sync delay.
5. Cura e manutenzione
- Pulizia: Wipe the headphones and transmitter with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Magazzinaggio: When not in use, store the headphones on the charging stand to keep them charged and organized. Store in a cool, dry place away from direct sunlight.
- Cura della batteria: The built-in rechargeable batteries provide up to 12 hours of use. For optimal battery life, avoid fully discharging the batteries frequently. Always keep the spare battery charged in the stand.
- Resistenza all'acqua: The headphones are not water-resistant. Avoid exposure to liquids.
6. Risoluzione Dei Problemi
If you encounter issues with your SIMOLIO SM-829D2 headphones, please refer to the following table for common problems and solutions:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Nessun suono dalle cuffie |
|
|
| Il suono è distorto o intermittente |
|
|
| Le cuffie non si caricano |
|
|
| Lip-sync delay |
|
|
7. Specifiche del prodotto
| Caratteristica | Specificazione |
|---|---|
| Nome del modello | SM-829D2 Wireless Headphones for TV |
| Tecnologia di connettività | Senza fili (RF 2.4 GHz) |
| Presa per cuffie | 3.5 mm Jack (for wired option, if applicable) |
| Dispositivi compatibili | TVs, Soundbars |
| Tipo di controllo | Volume Control, Tone Control, Balance Control, Ambient Sound Amppiù vivace |
| Tempo di ricarica | Circa 12 ore (per una carica completa) |
| Durata media della batteria | Fino a 12 ore |
| Tipo di batteria | Polimero di litio (ricaricabile) |
| Materiale | Plastica |
| Posizionamento dell'orecchio | Sopra l'orecchio |
| Controllo del rumore | Isolamento acustico passivo |
| Caratteristiche speciali | Adjustable Headband, Multipoint Pairing (multiple headphones to one transmitter) |
| Formato del microfono | Built-In (for ambient sound amplificazione) |
| Campo di lavoro | Fino a 30 metri (100 piedi) |
8. Garanzia e assistenza clienti
8.1. Informazioni sulla garanzia
SIMOLIO products are manufactured with high-quality materials and undergo rigorous quality control. This product is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included in your package or visit the official SIMOLIO websito per termini e condizioni di garanzia dettagliati.
8.2. Assistenza clienti
If you have any questions, require technical assistance, or experience issues not covered in this manual, please contact SIMOLIO customer support. Contact information can typically be found on the SIMOLIO website or on the product packaging. Please have your model number (SM-829D2) and purchase details ready when contacting support.





