In depth comparison and review of Sony WF-1000XM4 and JBL TUNE Flex. 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 | Sony WF-1000XM4 | JBL TUNE Flex |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 41 g | - | |
| Dimensions & Weight Details | Earphone: 7.3 g | Charging case: 5.15 cm x 2.93 cm x 4.7 cm / 38.6 g Earbud: 2.05 cm x 2.02 cm x 3.49 cm / 4.8 g |
|
| Colour | Black | Silver | Blue | White | Black | Purple | |
| Earpad Material | Polyurethane foam | - | |
| Protection | Water-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sony WF-1000XM4 | JBL TUNE Flex |
|---|
| Headphones Form Factor | In-ear | Ear-bud | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.2 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC, LDAC | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Digital Noise Cancelling technology (DNC) | Smart Ambient | |
| Sound Output Mode | - | Stereo | |
| Sound Effects | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Ambient Sound Mode, Adaptive Sound Control, 360 Reality Audio | Pure Bass | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 110 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 6 mm | 12 mm | JBL TUNE Flex have a thicker diaphragm than Sony WF-1000XM4. |
| Magnet Material | Neodymium | - | |
| Features | Precise Voice Pickup Technology, Quick Attention function, Microsoft Swift Pair, Processor V1, Automatic Wind Noise Reduction, Speak-to-Chat | - |
| MICROPHONE | Sony WF-1000XM4 | JBL TUNE Flex |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sony WF-1000XM4 | JBL TUNE Flex |
|---|
| Controls | Tap control | - |
|---|
| CABLE | Sony WF-1000XM4 | JBL TUNE Flex |
|---|
| Cable Type | USB-C charge cable - detachable | USB-C charge cable |
|---|
| FEATURES | Sony WF-1000XM4 | JBL TUNE Flex |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Intelligent Assistant | Google Assistant, Alexa | - | |
| Sensors | Proximity sensor, bone sensor | - |
| BATTERY AND CHARGING | Sony WF-1000XM4 | JBL TUNE Flex |
|---|
| Battery Type | Headphone battery rechargeable - wireless charging | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 12 hour(s) | 4.5 hours | Sony WF-1000XM4 lasts longer on a single charge than the JBL TUNE Flex. |
| 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 |
Continuous playback: up to 32 hours Continuous playback: up to 4.5 hours Continuous playback (ANC OFF / Bluetooth): up to 8 hours Continuous playback (ANC ON / Bluetooth): up to 6 hours Continuous playback (with included charging case): up to 18 hours |
|
| Wireless Charging Standards | Qi | - | |
| Charging Time | 1.5 hour(s) | 2 hour(s) | Sony WF-1000XM4 recharge faster than Sony WF-1000XM4. |
| Included Qty | - | 2 |
| CONNECTIONS | Sony WF-1000XM4 | JBL TUNE Flex |
|---|
| Connector Type | Bluetooth USB (power only) (USB Type-C) |
- |
|---|
| OTHERS | Sony WF-1000XM4 | JBL TUNE Flex |
|---|
| Included Accessories | USB-C to USB-A cable, 3 sizes of noise isolation earbud tips | USB-C charging cable, 3 sizes of earhooks, charging case (570 mAh) | |
|---|---|---|---|
| Compliant Standards | IPX4 | IPX4, GFSK, π/4 QPSK, 8DPSK |
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