Sennheiser HD 450BT vs. Sennheiser MOMENTUM 4

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Sennheiser HD 450BT and Sennheiser MOMENTUM 4. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

Sennheiser HD 450BT vs. Sennheiser MOMENTUM 4 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 450BT Sennheiser MOMENTUM 4
Product Type Headphones - Bluetooth - wireless Headphones - Bluetooth - wireless, wired - 2.5 mm jack, USB-C
Height - 19.5 cm
Width - 18 cm
Depth - 4.63 cm
Weight 238 g 293 g Sennheiser HD 450BT are lighter than Sennheiser HD 450BT headphones.
Colour Black | White Black | White
Earpad Material - Synthetic leather
Recommended Use - Portable electronics
High-Resolution Audio - Yes
SOUND QUALITY Sennheiser HD 450BT Sennheiser MOMENTUM 4
Headphones Form Factor Full size Full size
Headphones Technology Dynamic Dynamic
Ear Cups Type Closed Closed
Adjustable Headband - Yes
Foldable Yes Yes Both headphones can be folded.
Connectivity Technology Wireless Wireless, wired
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.0 Bluetooth 5.2 Sennheiser MOMENTUM 4 have a more advanced version of Bluetooth than Sennheiser HD 450BT.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec SBC, AAC, aptX, apt-X LL SBC, AAC, aptX, aptX Adaptive
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Active Noise Cancelling Technology - Adaptive Hybrid ANC
Sound Output Mode Stereo Stereo
Sound Effects - Signature Sound
Frequency Response 18 - 22000 Hz 6 - 22000 Hz Sennheiser MOMENTUM 4 offer a larger frequency range than Sennheiser HD 450BT.
Total Harmonic Distortion (THD) <0.3% 0.3% Both headphones have the same total harmonic distortion.
Sensitivity - 106 dB
Impedance - 60 Ohm
Max Sound Pressure 108 dB -
Diaphragm - 42 mm
Features - Smart Pause, Crystal-clear Calls
MICROPHONE Sennheiser HD 450BT Sennheiser MOMENTUM 4
Form Factor Built-in Built-in
Microphone Operation Mode Beamforming MEMS-directional
Noise Cancelling - Yes Sennheiser MOMENTUM 4 microphone can cancel out ambient noise.
Frequency Response 80 - 6000 Hz 50 - 10000 Hz Sennheiser MOMENTUM 4 offer a larger microphone frequency range than Sennheiser HD 450BT.
Microphones Included 2 4 Sennheiser MOMENTUM 4 have a built-in microphone.
REMOTE CONTROL Sennheiser HD 450BT Sennheiser MOMENTUM 4
Controls - Volume, play/pause, equaliser preset
CABLE Sennheiser HD 450BT Sennheiser MOMENTUM 4
Cable Type Audio cable - detachable
USB-C charge cable - detachable
Headphones cable - detachable - L shaped / sub-mini phone 2.5 mm 4-pole - 1.2 m
USB-C to USB-A cable - detachable - 1.2 m
Cable Length - 1.2 m
Detachable Cable - Yes
FEATURES Sennheiser HD 450BT Sennheiser MOMENTUM 4
Features - Transparent Hearing mode, auto power on/off
Sensors - Touch sensor
Additional Functions - Smart Touch Control, USB-C charging port
BATTERY AND CHARGING Sennheiser HD 450BT Sennheiser MOMENTUM 4
Battery Type Headphone battery rechargeable - lithium polymer Headphone battery rechargeable - Lithium Ion
Battery Capacity 600 mAh 700 mAh Sennheiser MOMENTUM 4 have a higher battery capacity than Sennheiser HD 450BT.
Battery Life 30 hours 60 hour(s) Sennheiser MOMENTUM 4 lasts longer on a single charge than the Sennheiser HD 450BT.
Charging Time 2 hours 2 hour(s) The charging of both headphones last the same time.
Included Qty - 1
CONNECTIONS Sennheiser HD 450BT Sennheiser MOMENTUM 4
Connector Type - Headphones (sub-mini phone 2.5 mm 4-pole)
USB (24 pin USB-C)
OTHERS Sennheiser HD 450BT Sennheiser MOMENTUM 4
Included Accessories Carrying case Carrying case, airplane adapter, headphones cable (1.2 m), USB-C charging cable (1.2m)
Software Included - Sennheiser Smart Control
Compliant Standards - Bluetooth Class 1
Service & Support Limited warranty - 2 years Limited warranty - 2 years
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