Sennheiser HD 450BT Review: A Wireless Headphone with Seamless Audio Experience » Felix' Review

Sennheiser HD 450BT Review: A Wireless Headphone with Seamless Audio Experience

0 technology and active noise cancellation, offering a seamless audio experience. With a 30-hour battery life and intuitive controls, this headphone is designed to provide uninterrupted listening pleasure. Let’s dive into my personal experience with this product.

After using the Sennheiser HD 450BT for some time, I can confidently say that it is a well-built headphone with top-notch active noise cancellation, call quality, and sound quality. The comfort factor is impressive, with a thin headband that never digs into my head. The headphones fold into a compact size, making them easy to carry around. While the earcups could be slightly wider, I found them comfortable, and none of the people I had try them on had any issues with comfort either.

The battery life of the HD 450BT is exceptional, lasting for up to 30 hours on a single charge. The USB-C fast charging feature is a great addition, allowing for quick and convenient charging. The intuitive controls, including a virtual assistant button for Siri and Google Assistant, make it easy to control your music and access voice commands.

The sound quality of these headphones is impressive, with the ability to customize the sound using the Sennheiser app. By default, the sound has a slight emphasis on bass, but it is not muddy. The mids are full, and the treble is well-balanced. While the sound quality may not match higher-priced models, considering the price point of the HD 450BT, it delivers excellent audio performance.

The Sennheiser HD 450BT also excels in call quality, thanks to its transparency mode. This feature allows you to hear yourself and your surroundings clearly during phone calls, making it convenient for multitasking or when you need to be aware of your environment. The call recipients reported clear voice quality and minimal background noise.

Sennheiser HD 450BT: Enhanced Comfort and Design

Sennheiser HD 450BT


With a well-built design, the Sennheiser HD 450BT headphones ensure comfort during extended use. The thin headband is constructed with durable materials that do not dig into the head, providing a comfortable fit for various head sizes. The foldable design allows for easy portability and storage. While the ear cups could be slightly wider, most users found them to be comfortable, and any discomfort was minor and easily adjustable. Overall, the HD 450BT headphones offer a comfortable and ergonomic design for long listening sessions.

Sennheiser HD 450BT: Impressive Active Noise Cancellation

Sennheiser HD 450BT


Highly effective in reducing external noise, the active noise cancellation (ANC) feature of the Sennheiser HD 450BT headphones is remarkable. While it may not completely block out all sounds, it significantly minimizes background noise such as AC units or bus sounds. The ANC feature fails to block out voices completely, but it does provide enough passive noise isolation when combined with low to medium music volume levels. Compared to other headphones in its price range, the HD 450BT headphones offer top-notch ANC performance, making them ideal for a more immersive listening experience.

Customizable Sound with Sennheiser App

Sennheiser HD 450BT


Users can customize the sound of the HD 450BT headphones through the Sennheiser Smart Control app, available for both iOS and Android. The app features a built-in equalizer that enables users to adjust the sound to their personal preferences. By default, the headphones have a bass emphasis, but the mids and trebles are still well-rounded. While the app’s equalizer implementation could be improved, it still offers enough flexibility to refine the sound and achieve a more personalized audio experience. With the ability to fine-tune the sound, the HD 450BT headphones deliver a satisfying listening experience across a wide range of music genres.

Sennheiser HD 450BT: Intuitive Controls and Functionality

Sennheiser HD 450BT


Located on the right earcup, the HD 450BT headphones feature intuitive button controls. The volume buttons are distinguishable by a dot, making it easy to adjust the volume without needing to look. The toggle button allows for fast-forwarding and rewinding tracks, with the added convenience of being able to scrub through a track bit by bit. The assistent button provides seamless access to virtual assistants such as Siri or Google Assistant. Additionally, the power/noise cancellation button allows users to easily toggle ANC on and off, as well as power the headphones on and off. The headphones also support multipoint connection, allowing users to connect to multiple devices simultaneously. Overall, the intuitive controls and functionality of the HD 450BT headphones enhance the user experience and convenience.

Excellent Call Quality and Transparency Mode

Sennheiser HD 450BT


Thanks to their integrated transparency mode, the HD 450BT headphones offer impressive call quality. This feature allows users to hear their own voice and the surrounding environment clearly during phone calls. The headphones effectively pick up the user’s voice, even in noisy environments, ensuring clear and intelligible communication. Callers on the other end of the line often cannot tell that the user is using headphones, as the sound quality and clarity are comparable to speaking directly into the phone. The transparency mode is particularly useful for multitasking or when users need to remain aware of their surroundings during calls.

AptX Low Latency Support for Seamless Audio


For a seamless audio experience, especially when watching videos or playing games, the HD 450BT headphones support aptX Low Latency codec. The aptX Low Latency technology minimizes audio delay, resulting in synchronized sound with on-screen visuals. This feature is particularly beneficial for users who enjoy watching movies or playing games on devices that support the codec. With aptX Low Latency support, the HD 450BT headphones deliver high-quality audio with minimal lag, enhancing the overall entertainment experience.


  • The Sennheiser HD 450BT features Bluetooth 5.0 technology for reliable connectivity, including support for AAC and AptX Low Latency codecs.
  • The headphones have active noise cancellation, allowing for uninterrupted listening pleasure even in noisy environments.
  • With a 30-hour battery life and USB-C fast charging, the HD 450BT offers long-lasting usage and convenient recharging.


  • Some users may find the ear cup padding uncomfortable, although this can be mitigated by adjusting the headphones over the ears.
  • The headphones could have wider ear cups for a more comfortable fit, which may affect some users’ overall experience.
  • The track skipping and pausing button placement may lead to accidental presses, potentially interrupting the listening experience.

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In conclusion, the Sennheiser HD 450BT is a quality product that offers a great combination of comfort, active noise cancellation, call quality, and sound performance. With its long battery life, intuitive controls, and customizable sound, it provides an enjoyable listening experience. If you’re looking for a well-built headphone with top-notch features at an affordable price, the Sennheiser HD 450BT is definitely worth considering.

Questions & Answers:

Question: Can the Sennheiser HD 450BT connect to multiple devices simultaneously?

Answer: Yes, the HD 450BT supports multipoint connection, allowing you to connect to multiple devices at the same time.

Question: How is the call quality on the HD 450BT?

Answer: The call quality on these headphones is excellent, with a transparency mode available during phone calls that allows you to hear your surroundings clearly while speaking.

Question: Does the HD 450BT support aptX low latency?

Answer: Yes, these headphones support aptX Low Latency, ensuring minimal audio delay when watching videos or playing games.