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.
DESIGN AND DIMENSIONS | Sennheiser HD 450BT | Sennheiser MOMENTUM 4 |
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Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless, wired - 2.5 mm jack, USB-C | |
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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 |
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Headphones Form Factor | Full size | Full size | |
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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 |
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Form Factor | Built-in | Built-in | |
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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 |
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Controls | - | Volume, play/pause, equaliser preset |
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CABLE | Sennheiser HD 450BT | Sennheiser MOMENTUM 4 |
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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 |
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Cable Length | - | 1.2 m | |
Detachable Cable | - | Yes |
FEATURES | Sennheiser HD 450BT | Sennheiser MOMENTUM 4 |
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Features | - | Transparent Hearing mode, auto power on/off | |
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Sensors | - | Touch sensor | |
Additional Functions | - | Smart Touch Control, USB-C charging port |
BATTERY AND CHARGING | Sennheiser HD 450BT | Sennheiser MOMENTUM 4 |
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Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
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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 |
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Connector Type | - | Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
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OTHERS | Sennheiser HD 450BT | Sennheiser MOMENTUM 4 |
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Included Accessories | Carrying case | Carrying case, airplane adapter, headphones cable (1.2 m), USB-C charging cable (1.2m) | |
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Software Included | - | Sennheiser Smart Control | |
Compliant Standards | - | Bluetooth Class 1 | |
Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |