In depth comparison and review of Sennheiser HD 4.40 and JBL Under Armour Sport Wireless Train. 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 | Sennheiser HD 4.40 | JBL Under Armour Sport Wireless Train |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 240 g | |
| Colour | - | Black / red | Black | |
| Protection | - | Moisture-resistant, sweat-resistant, IPX4 | |
| Design | - | Sports | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HD 4.40 | 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 | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.1 | JBL Under Armour Sport Wireless Train have a more advanced version of Bluetooth than Sennheiser HD 4.40. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 16 - 20000 Hz | Sennheiser HD 4.40 offer a larger frequency range than JBL Under Armour Sport Wireless Train. |
| Max Input Power | - | 20 mW | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | 101 dB | Sennheiser HD 4.40 have higher sensitivity than JBL Under Armour Sport Wireless Train. |
| Impedance | 18 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | - | TalkThru technology, JBL Charged Sound, Ambient Aware |
| MICROPHONE | Sennheiser HD 4.40 | JBL Under Armour Sport Wireless Train |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.40 | JBL Under Armour Sport Wireless Train |
|---|
| Controls | - | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant, TalkThru button |
|---|
| CABLE | Sennheiser HD 4.40 | JBL Under Armour Sport Wireless Train |
|---|
| Cable Type | - | Audio cable - detachable - 1.25 m |
|---|
| FEATURES | Sennheiser HD 4.40 | JBL Under Armour Sport Wireless Train |
|---|
| Intelligent Assistant | - | Siri, Google Now |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | JBL Under Armour Sport Wireless Train |
|---|
| Battery Type | Headphone battery lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 610 mAh | |
| Battery Life | - | 16 hour(s) | |
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | Sennheiser HD 4.40 | JBL Under Armour Sport Wireless Train |
|---|
| Modulation Type | - | GFSK, 8-DPSK, DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Sennheiser HD 4.40 | JBL Under Armour Sport Wireless Train |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 4.40 | JBL Under Armour Sport Wireless Train |
|---|
| Included Accessories | - | Carrying case, micro-USB charging cable | |
|---|---|---|---|
| Compliant Standards | - | IPX4 | |
| Service & Support | - | Limited warranty - 1 year |
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