In depth comparison and review of JBL Under Armour True Wireless Flash and Sony WI-XB400. 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 True Wireless Flash | Sony WI-XB400 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 16 g | 21 g | JBL Under Armour True Wireless Flash are lighter than JBL Under Armour True Wireless Flash headphones. |
| Colour | Black | Black | Blue | |
| Protection | Waterproof, sweat-resistant, IPX7 | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JBL Under Armour True Wireless Flash | Sony WI-XB400 |
|---|
| Headphones Form Factor | In-ear | In-ear - behind-the-neck mount | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Sony WI-XB400 have a more advanced version of Bluetooth than JBL Under Armour True Wireless Flash. |
| Bluetooth Profiles | Hands-Free Profile (HFP), 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), Serial Copy Management System (SCMS-T) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Extra Bass | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | JBL Under Armour True Wireless Flash offer a larger frequency range than Sony WI-XB400. |
| Sensitivity | 95 dB | - | |
| Impedance | 14 Ohm | - | |
| Max Sound Pressure | 113 dB | - | |
| Diaphragm | 5.8 mm | 12 mm | Sony WI-XB400 have a thicker diaphragm than JBL Under Armour True Wireless Flash. |
| Magnet Material | - | Neodymium | |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | Magnetic ear buds |
| MICROPHONE | JBL Under Armour True Wireless Flash | Sony WI-XB400 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Uni-directional | |
| Sensitivity | -25 dBV/Pascal | - |
| REMOTE CONTROL | JBL Under Armour True Wireless Flash | Sony WI-XB400 |
|---|
| Controls | Power on/off, answer/end, microphone on/mute, play/pause, next/previous track, reject call, voice assistant, TalkThru button | Multiple function button |
|---|
| CABLE | JBL Under Armour True Wireless Flash | Sony WI-XB400 |
|---|
| Cable Type | - | USB-C charge cable - detachable - 20 cm |
|---|
| FEATURES | JBL Under Armour True Wireless Flash | Sony WI-XB400 |
|---|
| Features | True wireless | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Now | Siri, Google Assistant |
| BATTERY AND CHARGING | JBL Under Armour True Wireless Flash | Sony WI-XB400 |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 85 mAh | - | |
| Battery Life | 5 hour(s) | 15 hour(s) | Sony WI-XB400 lasts longer on a single charge than the JBL Under Armour True Wireless Flash. |
| Standby Time | - | 200 hours | |
| Charging Time | 2 hour(s) | 3 hour(s) | JBL Under Armour True Wireless Flash recharge faster than JBL Under Armour True Wireless Flash. |
| Included Qty | 2 | - |
| CONNECTIONS | JBL Under Armour True Wireless Flash | Sony WI-XB400 |
|---|
| Connector Type | - | USB (power only) (USB Type-C) |
|---|
| OTHERS | JBL Under Armour True Wireless Flash | Sony WI-XB400 |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), micro-USB charging cable, 3 pairs of wing tips (small, medium, large), charging case (1500 mAh) | Ear-buds | |
|---|---|---|---|
| Software Included | MapMyRun premium membership (12 months) | - | |
| Compliant Standards | IPX7 | - | |
| Service & Support | Limited warranty - 1 year | - |
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