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Sennheiser MOMENTUM Free
Rs.14,990.00

Sennheiser HD 450BT
Rs.14,990.00

Best For

Best for Gaming
Sennheiser HD 450BT
Better Battery Life
Sennheiser HD 450BT
Best Portability
Sennheiser MOMENTUM Free
Best Value
Sennheiser HD 450BT
Best for Travel
Sennheiser HD 450BT

The Sennheiser HD 450BT and Sennheiser MOMENTUM Free target very different users despite sharing the same premium audio heritage. The HD 450BT is an over-ear wireless headphone designed for long listening sessions, offering active noise cancellation, Bluetooth 5.0 connectivity, and an impressive 30-hour battery life. The MOMENTUM Free, on the other hand, is a lightweight in-ear wireless headset focused on portability and everyday convenience. While both deliver Sennheiser's signature sound and support aptX codecs, their form factors, battery performance, and overall user experience make them suitable for different lifestyles and listening needs.

Verdict

The Sennheiser HD 450BT is the stronger overall choice for most buyers thanks to its superior battery life, Bluetooth 5.0 support, over-ear comfort, and better isolation for travel and work. Choose the MOMENTUM Free if you prefer an ultra-lightweight in-ear design for commuting, workouts, or carrying in your pocket. For sound quality consistency, features, and long-term value, the HD 450BT comes out ahead.

Brand
Sennheiser
Sennheiser
Model No
MOMENTUM Free
HD 450BT
Wired / Wireless
Wireless Headphone Specification
Wireless Headphone Specification
Headphone Type
In Ear Canal
Over Ear
 
Magnet Type
Dynamic
Dynamic
Driver Diameter
10 mm
32 mm
Impedance
28 ohm
490 ohm
Sensitivity
112 dB
108 dB
Frequency Response
15 Hz - 22000 Hz
18 Hz - 22000 Hz
Maximum Power Input
10 mW
12.6 mW
Noise Cancelling
Active
Active
 
Wireless Technology
Bluetooth
Bluetooth
Bluetooth Version
4.2
5.0
Compatible Profiles
All Bluetooth Devices
All Bluetooth Devices
Supported Codecs
A2DP + AVRCP + HSP + HFP + Apt-X ® + Apt-X ® LL + AAC + SBC
A2DP, AVRCP, HSP, HFP, SBC, aptXâ„¢, aptXâ„¢ Low Latency, AAC
Battery Type
Lithium-ion Polymer Batteries
Lithium Polymer Batteries
Bluetooth Range
10 Meters
10 Meters
Battery Life
6 Hours
30 Hours
Charging Time
1.5 Hours
2 Hours
 
Available Colors
Black
Black, White
Connector Plating
NA
NA
Cable
USB Charging Cable
USB Type C Charging Cable
Weight
17 gm
238 gm
Other Features
Signature Sennheiser Sound.
Cutting-edge Wireless Technology.
The battery lasts for six long hours of listening pleasure.
A premium product in every detail the momentum free features custom machined stainless steel in-ear sound tunnels that channel the sound from its high-quality dynamic speaker system lossless into the ear.
Bluetooth 4.2, AAC codec support and Qualcomm apt-X support ensures crystal clear wireless transmission in true hi-fi sound.
It communicates seamlessly with your mobile device thanks to a three-button remote and high-quality in-line microphone between the earpieces.
Battery Specification: Built-in Rechargeable Lithium-ion Polymer (~85mAh) with more than 500 charges.
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.

Compare Sennheiser MOMENTUM Free with:

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Frequently Asked Questions

Which product is better for gaming?
The Sennheiser HD 450BT is better for gaming due to its aptX Low Latency support, over-ear comfort, and significantly longer battery life.
Does the Sennheiser HD 450BT support active noise cancellation?
Yes, the HD 450BT features active noise cancellation, helping reduce background noise during travel, work, and entertainment.
Which headphone has better battery life?
The HD 450BT offers up to 30 hours of battery life, while the MOMENTUM Free provides up to 6 hours, making the HD 450BT the clear winner.
Is the MOMENTUM Free better for workouts and commuting?
Yes, its lightweight 17g in-ear design makes it more portable and convenient for active users and daily commuters.
Which model offers newer Bluetooth technology?
The HD 450BT uses Bluetooth 5.0, providing newer connectivity technology than the Bluetooth 4.2 found on the MOMENTUM Free.
Which Sennheiser headphone is the better overall buy?
For most users, the HD 450BT is the better overall purchase because of its longer battery life, enhanced comfort, newer Bluetooth version, and broader feature set.

Top Differences

  • Battery Life: 30 Hours vs 6 Hours
  • Driver Size: 32 mm vs 10 mm
  • Bluetooth: 5.0 vs 4.2
  • Weight: 238 gm vs 17 gm
  • Impedance: 490 ohm Vs 28 ohm