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Sennheiser HD 450BT
Rs.14,990.00

Sennheiser Accentum Wireless
Rs.14,990.00

Best For

Best for Battery Life
Sennheiser Accentum Wireless
Better Noise Cancellation
Sennheiser Accentum Wireless
Best Value
Sennheiser HD 450BT
Best for Travel
Sennheiser Accentum Wireless
Better for Casual Listening
Sennheiser HD 450BT

The Sennheiser HD 450BT and Sennheiser Accentum Wireless are both strong wireless headphones for everyday listening, travel, and entertainment, but they target slightly different users. The HD 450BT focuses on reliable sound quality, low-latency Bluetooth performance, and a compact travel-friendly design. Meanwhile, the Accentum Wireless brings newer Bluetooth technology, longer battery life, improved hybrid ANC, and more customization features for modern users who spend long hours listening to music or taking calls. If battery backup and advanced features matter most, the Accentum clearly steps ahead, while the HD 450BT still offers solid value for budget-conscious buyers.

Verdict

The Sennheiser Accentum Wireless is the better overall choice for most users thanks to its 50-hour battery life, Bluetooth 5.2 support, hybrid ANC, transparency mode, and improved sound customization options. It is especially ideal for commuters, office users, and long listening sessions. The HD 450BT remains a good option for users looking for dependable Sennheiser sound at a more affordable price, especially for casual music listening and low-latency video streaming.

Brand
Sennheiser
Sennheiser
Model No
HD 450BT
Accentum Wireless
Wired / Wireless
Wireless Headphone Specification
Wireless Headphone Specification
Headphone Type
Over Ear
Over Ear
 
Magnet Type
Dynamic
Dynamic
Driver Diameter
32 mm
37 mm
Impedance
490 ohm
560 Ohms
Sensitivity
108 dB
106 dB SPL
Frequency Response
18 Hz - 22000 Hz
10Hz - 22KHz
Maximum Power Input
12.6 mW
10 mW
Noise Cancelling
Active
Hybrid Active Noise Cancelling
 
Wireless Technology
Bluetooth
Bluetooth
Bluetooth Version
5.0
5.2
Compatible Profiles
All Bluetooth Devices
All Bluetooth Devices
Supported Codecs
A2DP, AVRCP, HSP, HFP, SBC, aptXâ„¢, aptXâ„¢ Low Latency, AAC
SBC, AAC, aptXâ„¢, aptX HDâ„¢, mSBC, CVSD
Battery Type
Lithium Polymer Batteries
Lithium-Ion Batteries
Bluetooth Range
10 Meters
10 Meters
Battery Life
30 Hours
50 Hours
Charging Time
2 Hours
3 Hours
 
Available Colors
Black, White
Black, White, Blue
Connector Plating
NA
3.5 mm
Cable
USB Type C Charging Cable
USB Type-C Charging Cable
Weight
238 gm
222 GM
Other Features
Smart Control App.
30-hour battery life.
Connect and interact.
Personalise your Sound.
Exceptional wireless sound.
Superior Sound technology.
Enjoy your music – without distraction.
Your audio companion for every need.
Your reliable companion on the move.
App support providing an equalizer, Podcast Mode and Firmware updates.
Intuitive controls including Virtual Assistant button for Siri and Google Assistant.
Great wireless sound with deep dynamic bass and codec support including AAC and AptX Low Latency.
USB-C fast charging and advanced wireless Bluetooth 5.0 technology for effortlessly reliable connectivity.
Crafted from materials and with for outstanding durability with minimalist design available in a choice of white or black.
After 10 min charging up to 5 hrs music playtime.
Unrivaled 50-Hour Battery Playtime - Enjoy exceptional battery life that lasts up to 50 hours on a single charge.
Sennheiser Sound - Discover high-quality Sennheiser audio, thanks to our own engineered and manufactured in-house transducer system.
Hear external sounds with a touch - Transparency Mode enables you to stay aware of your surroundings without removing your headphones.
Blocks out all distractions with ANC - Stay focused and immerse yourself in your music with effective hybrid active noise cancelling headphones.
Extended Listening Pleasure : Boasting an impressive 50-hour battery life, this ergonomic, foldable design ensures superior comfort during long listening sessions.
Sleek and stylish: Accentum's lightweight discrete design, with a soft touch silicon-lined headband, elevates your style while benefiting from a secure fit and a robust build.
Immersive Sound At Home Or On The Go : Enjoy HD stereo sound with engineered precision, a built-in 5 Band EQ and customizable sound modes for a personalized listening experience.
Your sound, your way - Customized your musical journey with a choice of sound modes, like Bass Boost and Podcast mode. Tailored-to-your-own preference with the built-in 5 Band equalizer.
Hybrid ANC : Whether at work, at the gym, or outdoors, you can immerse yourself in your music with Active Noise Cancellation or stay aware of your surroundings thanks to the Transparency Mode.
Crystal Clear Communication : Stay connected with exceptional voice transmission quality thanks to its 2-mic beamforming technology for clear, crisp communication during calls or voice commands.

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Frequently Asked Questions

Which product is better for gaming?
The Sennheiser HD 450BT is slightly better for gaming and video streaming because it supports aptX Low Latency for reduced audio delay.
Does the Sennheiser HD 450BT support Dolby Atmos?
No, the HD 450BT does not officially support Dolby Atmos, but it can still play Atmos content from compatible devices.
Which headphone has better battery life?
The Sennheiser Accentum Wireless offers significantly better battery life with up to 50 hours compared to 30 hours on the HD 450BT.
Is the Accentum Wireless more comfortable for long use?
Yes, the Accentum Wireless is lighter and designed with improved comfort for extended listening sessions and daily commuting.
Which model has better noise cancellation?
The Accentum Wireless delivers better overall noise cancellation with Hybrid ANC and Transparency Mode support.
Are both headphones compatible with Android and iPhone?
Yes, both headphones support Bluetooth connectivity and work with Android phones, iPhones, tablets, and laptops.

Top Differences

  • Battery Life: 30 Hours vs 50 Hours
  • Driver Size: 32 mm vs 37 mm
  • Bluetooth: 5.0 vs 5.2
  • Weight: 238 gm vs 222 GM
  • Impedance: 490 ohm Vs 560 Ohms