In depth comparison and review of Urbanears Hellas and Sennheiser HD 458BT. 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 458BT |
|---|
| Product Type | Headphones - wireless - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 238 g | |
| Colour | Rush | Black belt | Team | Trail | Black | |
| Recommended Use | Portable electronics, phone | Portable electronics |
| SOUND QUALITY | Urbanears Hellas | Sennheiser HD 458BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 458BT 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 458BT 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 | - | |
| Features | - | Voice control |
| MICROPHONE | Urbanears Hellas | Sennheiser HD 458BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | - | 80 - 6000 Hz |
| REMOTE CONTROL | Urbanears Hellas | Sennheiser HD 458BT |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Urbanears Hellas | Sennheiser HD 458BT |
|---|
| Cable Type | Headphones cable | Audio cable - detachable USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Urbanears Hellas | Sennheiser HD 458BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | - | 30 hours | |
| Charging Time | - | 2 hours |
| CONNECTIONS | Urbanears Hellas | Sennheiser HD 458BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Urbanears Hellas | Sennheiser HD 458BT |
|---|
| Included Accessories | - | Carrying case |
|---|
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