Detailed comparison and review of Sennheiser HD 4.20s and JBL Under Armour Sport Wireless Train. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 240 g | |
| Colour | Black | Black / red | Black | |
| Protection | - | Moisture-resistant, sweat-resistant, IPX4 | |
| Design | - | Sports | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | - | |
| Foldable | - | Yes | JBL Under Armour Sport Wireless Train can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 16 - 20000 Hz | |
| Max Input Power | - | 20 mW | |
| Sensitivity | - | 101 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | - | TalkThru technology, JBL Charged Sound, Ambient Aware |
| MICROPHONE | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Controls | 1-button remote | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant, TalkThru button |
|---|
| CABLE | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Cable Type | - | Audio cable - detachable - 1.25 m | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Intelligent Assistant | - | Siri, Google Now |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 610 mAh | |
| Battery Life | - | 16 hour(s) | |
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Modulation Type | - | GFSK, 8-DPSK, DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 4.20s | JBL Under Armour Sport Wireless Train |
|---|
| Included Accessories | - | Carrying case, micro-USB charging cable | |
|---|---|---|---|
| Compliant Standards | - | IPX4 | |
| Service & Support | Limited warranty - parts and labour - 2 years | Limited warranty - 1 year |
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