In depth comparison and review of Urbanears Hellas and Sennheiser HD 4.50 BTNC Wireless. 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 4.50 BTNC Wireless |
|---|
| Product Type | Headphones - wireless - 3.5 mm jack | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | - | 238 g | |
| Colour | Rush | Black belt | Team | Trail | - | |
| Recommended Use | Portable electronics, phone | Portable electronics |
| SOUND QUALITY | Urbanears Hellas | Sennheiser HD 4.50 BTNC Wireless |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 4.50 BTNC Wireless can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | Sennheiser HD 4.50 BTNC Wireless are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | NoiseGard active noise compensation | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 18 - 22000 Hz | |
| Max Input Power | 50 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.5% | |
| Sensitivity | 98 dB | 113 dB | Sennheiser HD 4.50 BTNC Wireless have higher sensitivity than Urbanears Hellas. |
| Impedance | 60 Ohm | 18 Ohm | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium | |
| Features | - | Bluetooth aptX technology |
| MICROPHONE | Urbanears Hellas | Sennheiser HD 4.50 BTNC Wireless |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Urbanears Hellas | Sennheiser HD 4.50 BTNC Wireless |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Power on/off, volume control, answer/end, hold, play/pause, next/previous track, reject call, redial |
|---|
| CABLE | Urbanears Hellas | Sennheiser HD 4.50 BTNC Wireless |
|---|
| Cable Type | Headphones cable | Headphones cable - detachable - L shaped - 1.4 m Micro-USB charge cable - detachable |
|
|---|---|---|---|
| Cable Length | - | 1.4 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | Urbanears Hellas | Sennheiser HD 4.50 BTNC Wireless |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | - | 25 hour(s) | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Urbanears Hellas | Sennheiser HD 4.50 BTNC Wireless |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Urbanears Hellas | Sennheiser HD 4.50 BTNC Wireless |
|---|
| Included Accessories | - | Carrying case, micro-USB charging cable |
|---|
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