Entwodiksyon
Thank you for choosing the Sennheiser HD 450BT Wireless Headphones. These headphones combine high-quality audio with active noise cancellation, Bluetooth 5.0 technology, and a long-lasting battery to provide an exceptional listening experience. This manual will guide you through the setup, operation, and maintenance of your new headphones.

Imaj: Sennheiser HD 450BT wireless headphones in white, showcasing konsepsyon elegant yo.
Ki sa ki nan bwat la
Your Sennheiser HD 450BT package includes the following items:
- HD 450BT wireless headphones
- Audio cable (for wired mode)
- USB-C chaje kab
- Pote ka
- Quick guide & safety guide

Imaj: Sennheiser HD 450BT headphones folded, shown with the included audio cable, USB-C charging cable, and carry case.
Pwodwi souview
Familiarize yourself with the controls and features of your HD 450BT headphones.

Imaj: Yon fèmen view of the right earcup of the Sennheiser HD 450BT headphones, highlighting the control buttons and ports.
Kontwòl ak pò:
- Bouton pouvwa: Used to power on/off the headphones and initiate Bluetooth pairing.
- Bouton milti-fonksyon: Controls playback (play/pause), track skipping (forward/backward), and call management (answer/reject/hold).
- Volim baskil: Adjusts the listening volume up or down.
- Virtual Assistant Button: Activates your device's voice assistant (Siri, Google Assistant).
- Bouton ANC: Aktive/dezaktive Anilasyon Bri Aktif la.
- USB-C pò: Pou chaje kas ekoutè yo.
- 2.5mm Audio Jack: For wired audio connection using the provided audio cable.
Enstalasyon
1. Chaje kas ekoutè yo
Before first use, fully charge the headphones. A full charge takes approximately 2 hours and provides up to 30 hours of battery life with ANC enabled.
- Connect the USB-C charging cable to the USB-C port on the headphone.
- Connect the other end of the USB-C cable to a suitable USB power source (e.g., computer USB port, USB wall adapter).
- Endikatè LED la ap montre estati chaj la epi li pral etenn lè li konplètman chaje.

Imaj: The Sennheiser HD 450BT headphones with the USB-C charging cable plugged into the earcup port.
2. Powering On / Off
- Pou limen: Press and hold the Power button for 2 seconds. The LED will light up.
- Pou etenn: Press and hold the Power button for 2 seconds. The LED will flash red and then turn off.
3. Pè Bluetooth
Pair your headphones with your Bluetooth-enabled device (smartphone, tablet, computer).
- Asire w ke kas ekoutè yo etenn.
- Press and hold the Power button for 5 seconds until the LED flashes blue and red alternately. This indicates pairing mode.
- On your device, go to Bluetooth settings and search for "HD 450BT".
- Select "HD 450BT" from the list of available devices to connect.
- Yon mesaj vokal ap konfime koneksyon an reyisi.
Videyo: Yon re detayeview of the Sennheiser HD 450BT headphones, including a demonstration of the pairing process and controls. This video is provided by All Things Tech (Seller).
Enstriksyon Operasyon
1. Mizik lèktur
- Jwe/Poz: Peze bouton Multi-fonksyon an yon fwa.
- Pwochen Track: Push the Multi-function button upwards and release.
- Track Previous: Push the Multi-function button downwards and release.
- Volim moute: Push the Volume rocker upwards.
- Volim desann: Push the Volume rocker downwards.
2. Rele Jesyon
- Reponn/Fen Apèl: Peze bouton Multi-fonksyon an yon fwa.
- Rejte apèl: Peze epi kenbe bouton Multi-fonksyon an pou 2 segonn.
- Kenbe apèl: During an active call, press and hold the Multi-function button for 2 seconds.
3. Anilasyon Bri Aktif (ANC)
The ANC feature reduces ambient noise for uninterrupted listening.
- Aktive/dezaktive ANC: Press the dedicated ANC button once to turn it on or off.
4. Virtual Assistant
Access your device's virtual assistant for hands-free control.
- Aktive Asistan: Press the Virtual Assistant button once.
Antretyen ak Swen
- Netwaye kas ekoutè yo regilyèman avèk yon twal mou epi sèk.
- Avoid using cleaning agents that contain alcohol, ammonia, or abrasives.
- Store the headphones in their carry case when not in use to protect them from dust and damage.
- Evite ekspoze kas ekoutè yo nan tanperati ekstrèm, imidite, oswa limyè solèy dirèk.
Depanaj
| Pwoblèm | Solisyon posib |
|---|---|
| Pa gen pouvwa | Chaje kas ekoutè yo avèk kab USB-C a. |
| Pa ka konekte via Bluetooth | Ensure headphones are in pairing mode (flashing blue/red LED). Check your device's Bluetooth settings. Restart both devices. |
| Pa gen son oswa volim ki ba | Increase volume on both headphones and connected device. Ensure headphones are properly paired. Try a different audio source. |
| ANC pa fonksyone byen | Ensure ANC is toggled on. Adjust headphone fit for a better seal around your ears. |
Espesifikasyon
- Non modèl: HD 450BT
- Koneksyon Teknoloji: San fil (Bluetooth 5.0)
- Kontwòl bri: Anile aktif bri
- Lavi batri: Jiska 30 èdtan
- Tan pou chaje: Approximately 2 Hours (via USB-C)
- Jack kas ekoutè: USB-C (charging), 2.5mm Audio (wired)
- Kalite kontwòl: Buttons (App, Touch, Voice)
- Pwa atik: 238 gram (8.4 ons)
- Dimansyon pwodwi: 6.1 x 2.6 x 7.6 pous
- Materyèl: Leather (earpads)
- Karakteristik espesyal: Foldable, Lightweight
Garanti ak sipò
For warranty information, technical support, or further assistance, please refer to the official Sennheiser websit la oubyen kontakte sèvis kliyan yo dirèkteman. Kenbe prèv acha ou pou reklamasyon garanti.
Vizite la Sennheiser Store pou plis pwodwi ak enfòmasyon.





