In depth comparison and review of JBL Under Armour True Wireless Flash and Sony WF-1000XM4. 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 WF-1000XM4 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 16 g | 41 g | JBL Under Armour True Wireless Flash are lighter than JBL Under Armour True Wireless Flash headphones. |
| Dimensions & Weight Details | - | Earphone: 7.3 g | |
| Colour | Black | Black | Silver | |
| Earpad Material | - | Polyurethane foam | |
| Protection | Waterproof, sweat-resistant, IPX7 | Water-resistant | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JBL Under Armour True Wireless Flash | Sony WF-1000XM4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.2 | Sony WF-1000XM4 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) | 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, LDAC | |
| Active Noise Cancelling | - | Yes | Sony WF-1000XM4 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Digital Noise Cancelling technology (DNC) | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Ambient Sound Mode, Adaptive Sound Control, 360 Reality Audio | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | JBL Under Armour True Wireless Flash offer a larger frequency range than Sony WF-1000XM4. |
| Sensitivity | 95 dB | - | |
| Impedance | 14 Ohm | - | |
| Max Sound Pressure | 113 dB | - | |
| Diaphragm | 5.8 mm | 6 mm | Sony WF-1000XM4 have a thicker diaphragm than JBL Under Armour True Wireless Flash. |
| Magnet Material | - | Neodymium | |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | Precise Voice Pickup Technology, Quick Attention function, Microsoft Swift Pair, Processor V1, Automatic Wind Noise Reduction, Speak-to-Chat |
| MICROPHONE | JBL Under Armour True Wireless Flash | Sony WF-1000XM4 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Sensitivity | -25 dBV/Pascal | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | JBL Under Armour True Wireless Flash | Sony WF-1000XM4 |
|---|
| Controls | Power on/off, answer/end, microphone on/mute, play/pause, next/previous track, reject call, voice assistant, TalkThru button | Tap control |
|---|
| CABLE | JBL Under Armour True Wireless Flash | Sony WF-1000XM4 |
|---|
| Cable Type | - | USB-C charge cable - detachable |
|---|
| FEATURES | JBL Under Armour True Wireless Flash | Sony WF-1000XM4 |
|---|
| Features | True wireless | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | Siri, Google Now | Google Assistant, Alexa | |
| Sensors | - | Proximity sensor, bone sensor |
| BATTERY AND CHARGING | JBL Under Armour True Wireless Flash | Sony WF-1000XM4 |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 85 mAh | - | |
| Battery Life | 5 hour(s) | 12 hour(s) | Sony WF-1000XM4 lasts longer on a single charge than the JBL Under Armour True Wireless Flash. |
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 12 hours Continuous playback (noise cancelling ON): up to 8 hours Continuous talk (noise cancelling OFF): up to 6 hours Continuous talk (noise cancelling ON): up to 5.5 hours |
|
| Wireless Charging Standards | - | Qi | |
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sony WF-1000XM4 recharge faster than JBL Under Armour True Wireless Flash. |
| Included Qty | 2 | - |
| CONNECTIONS | JBL Under Armour True Wireless Flash | Sony WF-1000XM4 |
|---|
| Connector Type | - | Bluetooth USB (power only) (USB Type-C) |
|---|
| OTHERS | JBL Under Armour True Wireless Flash | Sony WF-1000XM4 |
|---|
| 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) | USB-C to USB-A cable, 3 sizes of noise isolation earbud tips | |
|---|---|---|---|
| Software Included | MapMyRun premium membership (12 months) | - | |
| Compliant Standards | IPX7 | IPX4 | |
| Service & Support | Limited warranty - 1 year | - |
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