Side by side comparison and review of JBL Under Armour Sport Wireless Train and Sennheiser HD 820. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired | |
|---|---|---|---|
| Weight | 240 g | 360 g | JBL Under Armour Sport Wireless Train are lighter than JBL Under Armour Sport Wireless Train headphones. |
| Colour | Black / red | Black | - | |
| Earpad Material | - | Microfibre | |
| Protection | Moisture-resistant, sweat-resistant, IPX4 | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | Yes | - | JBL Under Armour Sport Wireless Train can be folded. |
| Connectivity Technology | Wireless | Wired | |
| 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 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 16 - 20000 Hz | 6 - 48000 Hz | Sennheiser HD 820 offer a larger frequency range than JBL Under Armour Sport Wireless Train. |
| Max Input Power | 20 mW | - | |
| Sensitivity | 101 dB | 103 dB/Vrms | Sennheiser HD 820 have higher sensitivity than JBL Under Armour Sport Wireless Train. |
| Impedance | 32 Ohm | 300 Ohm | |
| Diaphragm | 40 mm | - | |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | - |
| MICROPHONE | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Form Factor | Built-in | - |
|---|
| REMOTE CONTROL | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant, TalkThru button | - |
|---|
| CABLE | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Cable Type | Audio cable - detachable - 1.25 m | Headphones cable - OFC - 3 m | |
|---|---|---|---|
| Cable Length | - | 3 m | |
| Plated Connector | - | Gold |
| FEATURES | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Intelligent Assistant | Siri, Google Now | - |
|---|
| BATTERY AND CHARGING | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 610 mAh | - | |
| Battery Life | 16 hour(s) | - | |
| Charging Time | 2 hour(s) | - |
| WIRELESS LINK | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Modulation Type | GFSK, 8-DPSK, DQPSK | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| CONNECTIONS | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (phone stereo 6.3 mm) |
|---|
| OTHERS | JBL Under Armour Sport Wireless Train | Sennheiser HD 820 |
|---|
| Included Accessories | Carrying case, micro-USB charging cable | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | |
|---|---|---|---|
| Compliant Standards | IPX4 | - | |
| Service & Support | Limited warranty - 1 year | - |
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