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A great companion for the outgoing crowd, the Sennheiser HD 450BT Over-Ear Wireless Headphones offer superb sound quality in its compact and lightweight design. With Bluetooth functionality, you can treat your ears to an immersive listening experience without worrying about bothersome cords.

Key Features
  • Dynamic transducer produces detailed, full-bodied sound with deep, punchy bass
  • Active noise cancellation delivers captivating sound without audible distractions
  • Bluetooth 5.0 technology with AAC and aptX low latency codecs for seamless wireless transmission and audio-video synchronisation
  • Has a dedicated Voice Assistant button for instant voice interaction with Siri or the Google Assistant (Internet charges apply)

What's In The Box?

  • 1x HD 450BT Wireless Headphones
  • 1x Audio Cable
  • 1x USB-C Charging Cable
  • 1x Carry Case
  • 1x Quick Guide
  • 1x Safety Guide


Product Type Over-Ear Headphones
Brand Sennheiser
Frequency Response (Hz) 18 - 22000
Connectivity USB Type-C
Wireless Networking Bluetooth 5.0
Features Noise Cancelling
Noise Cancelling Yes
Additional Features N/A
Battery Type Built-in
Estimated Battery Life (hr) Up to 30
Charge Time (hrs) 2
Manufacturers Express Warranty (months) 24

If you feel your product has failed a Consumer Guarantee (as defined by Australian Consumer Law) then you can:

  • Return it to your local Harvey Norman store to initiate an inspection / service call.
  • If it is a downloadable product (software or e-Gift Card) please Contact Us at Harvey Norman Online.
  • Please Note: Customer Direct products cannot be returned at Harvey Norman franchised stores. For all Customer Direct purchases, please Contact Us at Harvey Norman Online.

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Customer Reviews


Protect your purchase with Product Care®. Get a brand new replacement if your product suffers an eligible fault through our hassle free support process, plus enjoy a range of exclusive benefits like a product health check and free prints each year so you experience your new product even more.

Discover all of the benefits Product Care® brings you:


With Product Care® you can relax knowing your purchase is protected. After an assessment, if your product suffers a fault covered by the terms of your plan, we’ll arrange to have a brand new replacement delivered to your doorstep.


Our range of support options ensure you experience an easy and hassle free process when you need to talk to us about your Product Care® plan. Whether you are experiencing a fault, or wanting to redeem your entitlements, we will provide you with guidance and support every step of the way.


Having Product Care® with your purchase means you can enjoy a range of special benefits that are exclusive to you and will help you enjoy the experience of your new product even more.

Conditions apply. This section should always be read in conjunction with the Terms and Conditions for Product Care® Replacement (Computers).

Learn more about Product Care®.

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Sennheiser HD 450BT Over-Ear Wireless Headphones

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