In depth comparison and review of JBL Under Armour Sport Wireless Train and JBL LIVE 400BT. 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 | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 240 g | 185.8 g | JBL LIVE 400BT are lighter than JBL Under Armour Sport Wireless Train headphones. |
| Colour | Black / red | Black | Red | White | Blue | Black | |
| Earpad Material | - | Polyurethane leather | |
| Headband Material | - | Fabric | |
| Protection | Moisture-resistant, sweat-resistant, IPX4 | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.2 | JBL LIVE 400BT have a more advanced version of Bluetooth than JBL Under Armour Sport Wireless Train. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 16 - 20000 Hz | 20 - 20000 Hz | JBL Under Armour Sport Wireless Train offer a larger frequency range than JBL LIVE 400BT. |
| Max Input Power | 20 mW | 15 mW | |
| Sensitivity | 101 dB | 106 dB | JBL LIVE 400BT have higher sensitivity than JBL Under Armour Sport Wireless Train. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 40 mm | Both headphones are designed with same thick diaphragm. |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | TalkThru technology, Ambient Aware |
| MICROPHONE | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant, TalkThru button | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode, voice assistant |
|---|
| CABLE | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Cable Type | Audio cable - detachable - 1.25 m | Headphones cable - detachable - with remote control and mic - 1.334 m | |
|---|---|---|---|
| Cable Length | - | 1.334 m | |
| Detachable Cable | - | Yes |
| FEATURES | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Intelligent Assistant | Siri, Google Now | Siri, Google Now, Google Assistant, Alexa |
|---|
| BATTERY AND CHARGING | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 610 mAh | 700 mAh | JBL LIVE 400BT have a higher battery capacity than JBL Under Armour Sport Wireless Train. |
| Battery Life | 16 hour(s) | 24 hour(s) | JBL LIVE 400BT lasts longer on a single charge than the JBL Under Armour Sport Wireless Train. |
| Battery Life Details | - | Continuous playback: up to 24 hours Continuous talk: up to 24 hours |
|
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| WIRELESS LINK | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Modulation Type | GFSK, 8-DPSK, DQPSK | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| CONNECTIONS | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | JBL Under Armour Sport Wireless Train | JBL LIVE 400BT |
|---|
| Included Accessories | Carrying case, micro-USB charging cable | Charging cable | |
|---|---|---|---|
| Compliant Standards | IPX4 | - | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 1 year |
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