Quick Guide
HD 450SE
Model: SEBT4
Safety
Guide
Quick
Guide
Active Noise Cancellation ANC
USB-A
USB-A
USB-C
USB-C
1
1
2
2
3
3
HD 450SE
Keyword: 0000
“Connected“
Menu
Bluetooth on
Bluetooth off
Menu
Bluetooth on
Bluetooth off
Menu
Add Device
2.5 mm
3.5 mm
Audio cable
OFFOFF
1x
1x
1x
Download the free Sennheiser Smart Control app.
Download the free Amazon Alexa app.
Pair the HD 450SE via Bluetooth with your smartphone.
Open the app and add the “HD 450SE” to “Devices”.
Smart Control app: activate “Alexa” in the headphone settings.
Carry Case
Power ON/OFF
2 HRS
LED off
2s
Hold
4s
Hold
“Connected“ “Lost connection“
Voice assistant
ON/OFF
Siri, Google Assistant, ...
... depending on
mobile phone.
Press
1x
ON
OFF
OFF
ON
2s
Hold
2s
Hold
Power
button
LED
Activating/deactivating the voice assistant | Sprachassistent
aktivieren/deaktivieren | Activer/désactiver l'assistant vocal |
Activar/desactivar el asistente personal | Ativar/desativar
assistente de voz | Spraakassistent activeren/deactiveren |
Attivare/disattivare l'assistente vocale | Aktivering/deaktiver-
ing af taleassistenten | Aktivera/avaktivera talassistent
Press
1x
Press
1x
Press
1x
Audio cable
2.5 mm
3.5 mm
“Pairing“
< 20 cm
Download the Sennheiser
Smart Control app and the
Amazon Alexa app.
Alexa app: add the “HD 450SE” to “Devices”.
Smart Control app: activate “Alexa” in the headphone
settings.
OFF
Flight Mode
www.sennheiser.com/download
Detailed instruction manual
Instruction manuals and product support
Bedienungsanleitungen und Produktbetreuung
Manuels d’utilisation et assistance produit
Instrucciones de manejo y soporte técnico de productos
Manuais de instruções e assistência ao produto
Gebruiksaanwijzingen en product-support
Istruzioni per l‘uso e assistenza sul prodotto
Betjeningsvejledninger og produktrådgivning
Bruksanvisningar och produktsupport
*Call functions | Anruffunktionen | Fonctions d’appel | Funciones de llamada |
Funções de chamadas | Telefoon-functies | Funzioni di chiamata | Opkalds-
funktioner | Ring-funktioner
*Refer to the user manual for the complete functions list. | Die vollständige Liste der Funktionen finden Sie in der Bedienungsanleitung. | Reportez-vous au manuel utilisateur pour obtenir la liste complète des fonctions. | Consulte el manual del usuario para la lista completa de
funciones. | Per l’elenco completo delle funzioni, consultare il manuale utente. | Raadpleeg de gebruiksaanwijzing voor de complete lijst met functies. | Consulte o manual do utilizador para obter a lista completa de funções. | Kompletna lista funkcji – patrz instrukcja obsługi. |
Se brugervejledningen for en liste over alle funktioner. www.sennheiser.com/download
Adjusting the volume | Lautstärke einstellen | Régler le volume |
Ajustar el volumen | Ajustar o volume | Volume instellen | Imposta-
zione del volume | Indstilling af lydstyrke | Ställ in volymen
EN Quick Guide
DE Kurzanleitung
FR Guide rapide
ES Instrucciones resumidas
PT Guida rápidos
NL Beknopte handleiding
IT Guida rapida
DA Snabbguide
SV Bruksanvisning
Use the app to configure the headphones and additional
functions. | Verwenden Sie die App für die Einrichtung und
weitere Funktionen des Hörers. | Utilisez l‘application pour
configurer le casque et les fonctions supplémentaires. |
Utilice la aplicación para la configuración y para otras
funciones de los auriculares. | Utilize a aplicação para
configurar os auscultadores e usufruir de outras funções. |
Gebruik de app voor het instellen van de hoofdtelefoon en al
zijn functies. | Utilizzare l‘app per la configurazione e per altre
funzioni della cuffia. | Benyt appen forbindelse med indstilling
og andre funktioner for øretelefonerne. | Använd appen för
installationen och för övriga hörlursfunktioner.
Package includes | Lieferumfang | Contenu de la livraison |
Contenido del paquete | O pacote inclui | Inhoud van de
verpakking | Contenuto della confezione | Pakken indeholder |
Paketetinnehåller
Switching the headphones on/off | Kopfhörer ein-/ausschal-
ten | Allumer/éteindre le casque | Encender/apagar los
auriculares | Li-gar/desligar os auscultadores | De hoofdtele-
foon in-/uitschakel-en | Accensione/spegnimento delle
cuffie | Sådan tændes og slukkes hovedtelefonerne | Hörlurar
slås på/av
Pairing and connecting to a Bluetooth device | Mit einem
Bluetooth-Gerät koppeln (Pairing) und verbinden | Appairer et
connecter le casque à un appareil compatible Bluetooth |
Sincronizar y conectar con un dispositivo Bluetooth |
Using the active noise cancellation ANC | Aktive Geräusch-
unterdrückung ANC verwenden | Utiliser la réduction active de
bruit ANC | Utilizar la atenuación activa del ruido ANC | Utilizar
o controlo ativo de ruído ANC | Actieve ruisonderdrukking ANC
toepassen | Utilizzare la soppressione attiva dei rumori ANC |
Anvendelse af støjundertrykkelse ANC | Använda aktiv
dämpning av bakgrundsljud ANC
Emparelhar e ligar a um dispositivo Bluetooth | Met een
Bluetoothapparaat pairen en verbinden | Abbinamento e
collegamento a un dispositivo Bluetooth | Parring og
tilslutning til en Bluetooth-enhed | Anslut till en Bluetooth-en-
het
Using the audio cable (flight mode) | Audiokabel benutzen
(Flugmodus) | Utilisation du câble audio (mode Avion) | Usar
elcable de audio (modo de avión) | Utilizzo del cavo audio
(modalità aereo) | De audiokabel gebruiken (vliegtuigmodus) |
Utilizar o cabo áudio (modo de voo) | Używanie przewodu
audio (tryb samolotowy) | Sådan bruges lydkablet (flymodus)
Charging the headphones | Kopfhörer laden | Chargement
du casque | Cargar los auriculares | Carregar os auscul-
tadores | De hoofdtelefoon opladen | Carica delle cuffie |
Opladning af hovedtelefoner | Ladda dina hörlurar
*Music functions | Musikfunktionen | Fonctions musicales | Funciones de
música | Funções de música | Muziek-functies | Funzioni musicali |
Musikfunktioner | Musik-funktioner
Folding and storing | Falten und aufbewahren | Plier et
stocker | Plegar y conservar | Dobrar e guardar | Vouwen
en opbergen | Piegare e conservare | Foldning og
opbevaring | Vika ihop och förvara
Previous | Vorheriger Titel |
Précédent | Anterior | Anterior |
Vorige | Precedente | Forrige |
Tillbaka
Next | Nächster Titel | Suivant |
Siguiente | Seguinte | Volgende |
Successivo | Næste | Nästa
Play/Pause | Wiedergabe/Pause |
Lecture/Pause | Reproducir/Pau-
sa | Reproduzir/Pausar |
Afspele/Pauze | Play/Pausa |
Afspil/Pause | Spela/Pausa
Reject | Ablehnen | Refuser |
Rechazar | Rejeitar | Weigeren |
Rifiuta | Afvis | Avvisa
End | Beenden | Terminer | Fin |
Terminar | Einde | Fine | Afslut |
Avsluta
Accept | Annehmen | Accepter |
Aceptar |
Atender | Accepteren |
Accetta |
Acceptér | Godkänn
Sennheiser is a trademark of Sennheiser electronic GmbH & Co. KG, registered in the U.S. and
other countries. Use of the Made for Apple badge means that an accessory has been designed
to connect specifically to the Apple product(s) identified in the badge, and has been certified
by the developer to meet Apple performance standards. Apple is not responsible for the
operation of this device or its compliance with safety and regulatory standards. Apple, iPad,
iPhone, the Apple logo and Siri are trademarks of Apple Inc., registered in the U.S. and other
countries. App Store is a service mark of Apple Inc. The trademark “iPhone” is used in Japan
with a license from Aiphone K.K.. Android and Google play are registered trademarks of Google
Inc. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG,
Inc. and any use of such marks by Sennheiser electronic GmbH & Co. KG is under license.
Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. Other
company and product names mentioned herein are trademarks of their respective owners.
www.sennheiser.com
www.sennheiser.com/download
www.sennheiser.com/smartcontrol
Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany
www.sennheiser.com
Publ. 07/21, 591128/A02