In depth comparison and review of Urbanears Hellas and Sennheiser HD 450BT. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Urbanears Hellas | Sennheiser HD 450BT |
|---|
| Product Type | Headphones - wireless - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 238 g | |
| Colour | Rush | Black belt | Team | Trail | Black | White | |
| Recommended Use | Portable electronics, phone | - |
| SOUND QUALITY | Urbanears Hellas | Sennheiser HD 450BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 450BT can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | - | Yes | Sennheiser HD 450BT are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 18 - 22000 Hz | |
| Max Input Power | 50 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 98 dB | - | |
| Impedance | 60 Ohm | - | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 40 mm | - |
| MICROPHONE | Urbanears Hellas | Sennheiser HD 450BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Frequency Response | - | 80 - 6000 Hz | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Urbanears Hellas | Sennheiser HD 450BT |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Urbanears Hellas | Sennheiser HD 450BT |
|---|
| Cable Type | Headphones cable | Audio cable - detachable USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Urbanears Hellas | Sennheiser HD 450BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | - | 30 hours | |
| Charging Time | - | 2 hours |
| CONNECTIONS | Urbanears Hellas | Sennheiser HD 450BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Urbanears Hellas | Sennheiser HD 450BT |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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