In depth comparison and review of JVC HA FX21BT 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 | JVC HA FX21BT | Sony WF-1000XM4 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 11 g | 41 g | JVC HA FX21BT are lighter than JVC HA FX21BT headphones. |
| Dimensions & Weight Details | - | Earphone: 7.3 g | |
| Colour | Black | White | Black | Silver | |
| Earpad Material | - | Polyurethane foam | |
| Protection | Splashproof, sweat-resistant | Water-resistant | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | JVC HA FX21BT | Sony WF-1000XM4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Sony WF-1000XM4 have a more advanced version of Bluetooth than JVC HA FX21BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), 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 | 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 Effects | - | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Ambient Sound Mode, Adaptive Sound Control, 360 Reality Audio | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Diaphragm | 8.2 mm | 6 mm | JVC HA FX21BT have a thicker diaphragm than Sony WF-1000XM4. |
| Magnet Material | Neodymium | Neodymium | |
| Features | - | Precise Voice Pickup Technology, Quick Attention function, Microsoft Swift Pair, Processor V1, Automatic Wind Noise Reduction, Speak-to-Chat | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA FX21BT | Sony WF-1000XM4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | JVC HA FX21BT | Sony WF-1000XM4 |
|---|
| Controls | Power on/off, volume control, 3-button remote | Tap control |
|---|
| CABLE | JVC HA FX21BT | Sony WF-1000XM4 |
|---|
| Cable Type | USB charge cable | USB-C charge cable - detachable |
|---|
| FEATURES | JVC HA FX21BT | Sony WF-1000XM4 |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Intelligent Assistant | - | Google Assistant, Alexa | |
| Sensors | - | Proximity sensor, bone sensor |
| BATTERY AND CHARGING | JVC HA FX21BT | Sony WF-1000XM4 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Life | 5 hour(s) | 12 hour(s) | Sony WF-1000XM4 lasts longer on a single charge than the JVC HA FX21BT. |
| 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 | 2.5 hour(s) | 1.5 hour(s) | Sony WF-1000XM4 recharge faster than JVC HA FX21BT. |
| CONNECTIONS | JVC HA FX21BT | Sony WF-1000XM4 |
|---|
| Connector Type | USB (power only) | Bluetooth USB (power only) (USB Type-C) |
|---|
| OTHERS | JVC HA FX21BT | Sony WF-1000XM4 |
|---|
| Included Accessories | 2 pairs of low rebound earpieces (small, medium) | USB-C to USB-A cable, 3 sizes of noise isolation earbud tips | |
|---|---|---|---|
| Compliant Standards | - | IPX4 |
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