---
product_id: 336889021
title: "Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black"
brand: "sennheiser"
price: "A$327"
currency: AUD
in_stock: false
reviews_count: 10
url: https://www.desertcart.com.au/products/336889021-sennheiser-hd-450se-bluetooth-5-0-wireless-headphone-with-alexa
store_origin: AU
region: Australia
---

# USB-C Fast Charging Active Noise Cancellation 30-Hour Battery Life Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black

**Brand:** sennheiser
**Price:** A$327
**Availability:** ❌ Out of Stock

## Summary

> 🎧 Elevate your soundscape — stay connected, focused, and ahead of the curve.

## Quick Answers

- **What is this?** Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black by sennheiser
- **How much does it cost?** A$327 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/336889021-sennheiser-hd-450se-bluetooth-5-0-wireless-headphone-with-alexa)

## Best For

- sennheiser enthusiasts

## Why This Product

- Trusted sennheiser brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Travel-Ready Design:** Foldable, lightweight build with a protective case makes it the perfect companion for your daily commute or business trips.
- • **Next-Gen Connectivity:** Bluetooth 5.0 with AAC and AptX Low Latency codecs ensures flawless, lag-free audio streaming across all your devices.
- • **Seamless Smart Control:** Integrated Virtual Assistant button for Alexa, Siri, and Google Assistant puts hands-free convenience at your fingertips.
- • **Crystal-Clear Focus Mode:** Active Noise Cancellation blocks out distractions so you stay in your zone, whether at work or on the move.
- • **Uninterrupted Power Play:** Enjoy marathon listening sessions with an industry-leading 30-hour battery life that keeps you going all day and night.

## Overview

The Sennheiser HD 450SE wireless headphones combine cutting-edge Bluetooth 5.0 technology with premium Active Noise Cancellation and a robust 30-hour battery life. Featuring USB-C fast charging and a foldable design, these headphones deliver high-fidelity sound with smart voice assistant integration, making them an essential audio upgrade for professionals on the go.

## Description

Buy Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Great quality for the price u pay - Comfortable, looks good and has amazing sound quality with a decent mic
Review: It was perfect, until it wasn`t - It worked great for several months. Sound is clean and well balanced. Not the best one, but still pleasing However after about 4-5 months something happened with Bluetooth connection and now it just makes some weird cracking noise instead of playing music. However when connected with a minijack, it plays the sound perfectly well. So I have no idea what specifically happened and how to fix it, but it doesn`t make me happy that this piece of gear isn`t that reliable on a longer run.

## Features

- Bluetooth 5. 0 technology for effortlessly reliable connectivity including AAC and AptX Low Latency codec support
- Active noise cancellation for uninterrupted listening pleasure
- Intuitive controls including Virtual Assistant button for Alexa, Siri and Google Assistant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09325WTV5 |
| Age range (description) | Adult |
| Best Sellers Rank | #45,568 in Electronics ( See Top 100 in Electronics ) #838 in Over-Ear Headphones #112,742 in Mobile Phone Accessories |
| Cable feature | Without Cable |
| Charging time | 30 Hours |
| Compatible devices | Smartphones, Laptops, Tablets, Smart Speakers, Desktops |
| Connectivity technology | Wireless |
| Control method | Voice |
| Control type | Call Control |
| Frequency response | 6000 Hz |
| Headphone jack | USB |
| Included components | Cable, HD 450BT Wireless Headphones, Protective Case, USB-C Charging Cable |
| Item model number | HD 450SE Black |
| Item weight | 0.52 Kilograms |
| Manufacturer | Sennheiser |
| Material | Plastic |
| Model name | Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black |
| Noise control | Active Noise Cancellation |
| Number of Items | 1 |
| Package type | FFP |
| Product Dimensions | 19.5 x 10 x 23.2 cm; 520 g |
| Recommended uses for product | Versatile, suitable for various uses |
| Sensitivity | 94 dB |
| Specific uses for product | Calling |
| Style | Special Edition |
| Water resistance level | Not Water Resistant |
| Wireless communication technologies | Bluetooth |

## Product Details

- **Brand:** Sennheiser
- **Colour:** Black
- **Ear placement:** Over Ear
- **Form factor:** Over Ear
- **Impedance:** 60 Ohms

## Images

![Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black - Image 1](https://m.media-amazon.com/images/I/61Vc2OEc7aL.jpg)
![Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black - Image 2](https://m.media-amazon.com/images/I/61Wiw8zIwvL.jpg)
![Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black - Image 3](https://m.media-amazon.com/images/I/61xtto8AvRL.jpg)
![Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black - Image 4](https://m.media-amazon.com/images/I/716dU+dVaxL.jpg)
![Sennheiser HD 450SE Bluetooth 5.0 Wireless Headphone with Alexa - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black - Image 5](https://m.media-amazon.com/images/I/71MKsyPWvML.jpg)

## Questions & Answers

**Q: Where can I get another aux cable?**
A: On Amazon.
 I recommend the marshall  aux
 it has a great microphone and it has a coil which makes it very comfortable to be walking around without it getting caught on stuff or just not feeling like u have too much cable when working on a laptop.

**Q: Is this recommended to use for online conferencing? is mic quality good?**
A: Yes. I have used it for about 10 days for teams/zoom meetings, the mic and speaker work very well for me.

**Q: Do they have transparent mode like more expensive models? And if not, is it possible to be reasonably aware of the surroundings when using them?**
A: Answer to @ShakyJake, you mentioned that you are unable to turn it off the "Transparency Mode" or the pass-through sounds that are made ambiently around you, like voices, crinkling paper, and typing. This is not the same as ANC(Active Noice Cancellation) which removes only the ambient hum of the room like a fan, refrigerator, or airplane.

This particular headset actually has two BlueTooth Connections or "drivers" on windows and mac. 
"Headphones (LE-HD 450BT Stereo)" & "Headset (HD 450BT Hands-Free AG Audio)"
Mobile devices seem to auto-switch between these depending on if they are utilizing the mic in the Headset or not.

Headphones (LE-HD 450BT Stereo): Does not utilize Transparency Mode, however ANC can be toggled. (Set this as "Default" if you do not want to here the Transparency mode)
Headset (HD 450BT Hands-Free AG Audio): Seems to default Transparency Mode ON, and ANC can also be toggled when this is active as well. (If you make a lot of calls and utilize the mic setting this to "Default" may be more useful) If you use the Assistant button, this will automatically switch to this driver, but will revert if you have the headphones selected as "Default".

**Extra Notes**
If you have a 5.0 BlueTooth (internal or as an adapter) for your computer both of these are able to connect and you can toggle between these in your sound settings. Most modern mobile devices as of July 2016+ have this installed but you may use the AIDA64 app on the Google Play store to see if it's in your device.
Apple Users: iPhone 8, iPhone 8 Plus, iPhone X, HomePod, and the 2018 MacBook Pro with Touch Bar all (and newer devices) utilize the 5.0 or newer BlueTooth.
I do not know what happens if you have an older version of BlueTooth, however, I speculate that switching between the two drivers may be clunky, and slower than it already is. However they will still connect, you may just run into issues connecting other devices simultaneously like a mouse and keyboard.
The S 450BT WILL usually prioritize headphone mode, however, I hope this helps if you were confused.
If you use the Headphone Jack it will put the headphones in Flight Mode and deactivate all BlueTooth Connections.

Hope this helps!

**Q: Do the headphones come with a charger or do I need to buy one separately?**
A: The headphones come with usb cable for charging, but no adaptor.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great quality for the price u pay
*by Y***R on 19 September 2022*

Comfortable, looks good and has amazing sound quality with a decent mic

### ⭐⭐⭐ It was perfect, until it wasn`t
*by Y***V on 23 November 2023*

It worked great for several months. Sound is clean and well balanced. Not the best one, but still pleasing However after about 4-5 months something happened with Bluetooth connection and now it just makes some weird cracking noise instead of playing music. However when connected with a minijack, it plays the sound perfectly well. So I have no idea what specifically happened and how to fix it, but it doesn`t make me happy that this piece of gear isn`t that reliable on a longer run.

### ⭐⭐⭐⭐ A good value for money buy
*by A***G on 19 June 2021*

It's convenient and good battery life. There is a little hiss in the right ear

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-27*