Introduzione
The Sena 20S EVO is an advanced Bluetooth communication system designed for motorcycle riders. It features a fixed shark fin antenna for improved intercom stability and distance, along with premium HD speakers for enhanced audio quality. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your 20S EVO system.

Figure 1: Sena 20S EVO Dual Pack Product Packaging
Informazioni sulla sicurezza
General safety warnings about battery handling, avoiding water and extreme temperatures, and potential interference with other wireless devices. Always prioritize road safety while using the device.
Contenuto della confezione
The Sena 20S EVO package typically includes the following components:
- Headset Unit(s)
- Altoparlanti HD
- Microfono boom
- Microfono cablato
- Casco Clamp Kit
- Adhesive Mount Adapter
- Cavo dati e di ricarica USB
- Cuscinetti per altoparlanti
- Chiusure a strappo per altoparlanti
- Hook and Loop Fasteners for Boom Microphone
- Chiusure a strappo per microfono cablato
- Chiave a brugola

Figure 2: Sena 20S EVO Headset and Included Components
Configurazione e installazione
Proper installation ensures optimal performance and comfort. The 20S EVO can be mounted using either the helmet clamp kit or the adhesive mount adapter.
1. Scelta della posizione di montaggio
Select a flat surface on the left side of your helmet where the unit will not obstruct your vision or movement. Ensure the microphone can be positioned correctly in front of your mouth.
2. Installing the Clamp Unit or Adhesive Mount
- Clamp Unità: Allentare le viti sul clamp unit and slide it between the helmet shell and the inner padding. Tighten the screws securely.
- Supporto adesivo: Clean the chosen helmet surface thoroughly with an alcohol wipe and let it dry. Peel off the backing from the adhesive mount and firmly press it onto the helmet for at least 30 seconds. Allow 24 hours for the adhesive to fully cure before use.
3. Collegamento dell'unità principale
Slide the main 20S EVO unit onto the mounted clamp or adhesive adapter until it clicks securely into place.

Figura 3: lato View of the Sena 20S EVO Unit
4. Installazione di altoparlanti e microfono
- Relatori: Place the HD speakers inside the helmet's ear pockets, ensuring they are centered over your ears for optimal sound. Use the provided hook and loop fasteners to secure them.
- Microfono: For full-face helmets, use the wired microphone and route it along the helmet's interior. For open-face or modular helmets, attach the boom microphone to the helmet's chin bar using the hook and loop fastener, positioning it approximately 1-2 cm from your mouth.

Figure 4: Sena 20S EVO with Speakers and Boom Microphone Attached
Istruzioni per l'uso
The Sena 20S EVO features intuitive controls, primarily through its jog dial and various buttons.
1. Accensione/spegnimento
- Accensione: Press and hold the Phone Button and the Jog Dial for 1 second.
- Spegni: Tap the Phone Button and the Jog Dial simultaneously.
2. Accoppiamento Bluetooth
Per associarlo al tuo telefono cellulare o ad altri dispositivi Bluetooth:
- With the 20S EVO powered off, press and hold the Phone Button for 5 seconds until you hear "Phone pairing".
- On your mobile phone, enable Bluetooth and search for devices. Select "Sena 20S EVO" from the list.
- If prompted, enter PIN "0000".
3. Comunicazione interfonica
The 20S EVO supports group intercom communication for up to 8 riders over a distance of up to 2.0 km (1.2 miles) in open terrain.
- Avvia Intercom: Tap the Jog Dial once to initiate intercom with the first paired friend.
- Fine citofono: Tap the Jog Dial once again.
- Interfono di gruppo: Follow the instructions in the full user manual for multi-way intercom setup.
4. Riproduzione di musica
- Riproduci/Pausa: Press the Jog Dial for 1 second.
- Traccia successiva: Ruotare la manopola Jog in senso orario.
- Traccia precedente: Ruotare la manopola Jog in senso antiorario.
- Controllo del volume: Rotate the Jog Dial while pressing it down.

Figure 5: Sena 20S EVO Connectivity Features
5. Telefonate
- Rispondi alla chiamata: Tocca il pulsante del telefono.
- Termina chiamata: Press the Phone Button for 2 seconds.
- Rifiuta chiamata: Press the Phone Button for 2 seconds when a call is incoming.
- Composizione vocale: Press the Phone Button for 3 seconds.

Figure 6: Sena 20S EVO in Use on a Motorcycle Helmet
Manutenzione
Regular maintenance helps prolong the life of your Sena 20S EVO.
- Pulizia: Pulire l'unità con un panno morbido, damp stoffa. Non utilizzare prodotti chimici o solventi aggressivi.
- Ricarica: Charge the unit fully before long periods of storage. The charging time is approximately 2.5 hours.
- Magazzinaggio: Conservare il dispositivo in un luogo fresco e asciutto quando non viene utilizzato.
- Aggiornamenti del firmware: Controllare periodicamente il Sena websito per gli aggiornamenti del firmware per garantire prestazioni ottimali e accesso a nuove funzionalità.
Risoluzione dei problemi
If you encounter issues with your Sena 20S EVO, try the following solutions:
| Problema | Possibile causa/soluzione |
|---|---|
| Nessun potere | Battery drained. Charge the unit. Ensure charging cable is properly connected. |
| Impossibile associare il Bluetooth | Ensure the 20S EVO is in pairing mode. Check if other devices are already connected. Try resetting the 20S EVO to factory settings. |
| Intercom Disconnects / Poor Stability | Out of range. Obstructions between units. Ensure fixed shark fin antenna is not obstructed. Firmware update may be needed. |
| Audio Quality Issues (Low Volume, Distortion) | Speakers not positioned correctly over ears. Volume too low on device or 20S EVO. Check microphone placement. |
| I comandi vocali non funzionano | Microphone not positioned correctly. Excessive wind noise. Speak clearly and directly into the microphone. |
| Unit Rattles / Loose Connection to Clamp | Ensure the main unit is fully clicked into the clamp. Re-check clamp screws for tightness. |
Ripristino delle impostazioni di fabbrica
If problems persist, a factory reset may resolve them. Refer to the full user manual for detailed instructions on performing a factory reset.
Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Nome del modello | EVO 20S |
| Tecnologia di connettività | Bluetooth |
| Tecnologia di comunicazione wireless | Bluetooth |
| Componenti inclusi | Headset, Cable |
| Materiale | Plastica |
| Usi specifici per il prodotto | Motorcycle Bluetooth communication |
| Tempo di ricarica | 2.5 ore |
| Usi consigliati per il prodotto | Motociclo |
| Tipo di controllo | Controllo multimediale |
| Peso dell'articolo | 61 grammi (2.15 once) |
| Livello di resistenza all'acqua | Resistente all'acqua |
| Metodo di controllo | Touch, Jog Dial |
| Dimensioni del prodotto | 1.9 x 3.7 x 1 pollici |
| Tipo di batteria | 1 batteria ai polimeri di litio (inclusa) |
| Risposta in frequenza | Frequenza 10000 Hz |
| Impedenza | 2200 Ohm |
Supporto e ulteriori informazioni
For more detailed instructions, advanced features, and the latest firmware updates, please refer to the official Sena website or download the complete user guide:
- Guida utente ufficiale (PDF): Scarica qui
- Supporto Sena Websito: Visita sena.com/support for FAQs, video tutorials, and contact information.





