In depth comparison and review of JVC HA FX21BT and harman/kardon FLY TWS. 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 | harman/kardon FLY TWS |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 11 g | - | |
| Dimensions & Weight Details | - | Earbud: 7.3 g Charging case: 59.2 g |
|
| Colour | Black | White | Black | |
| Protection | Splashproof, sweat-resistant | Waterproof, IPX5 |
| SOUND QUALITY | JVC HA FX21BT | harman/kardon FLY TWS |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | harman/kardon FLY TWS 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) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC | - | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 10 - 20000 Hz | harman/kardon FLY TWS offer a larger frequency range than JVC HA FX21BT. |
| Sensitivity | - | 97 dB | |
| Impedance | - | 17 Ohm | |
| Diaphragm | 8.2 mm | 5.6 mm | JVC HA FX21BT have a thicker diaphragm than harman/kardon FLY TWS. |
| Magnet Material | Neodymium | - | |
| Features | - | TalkThru technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA FX21BT | harman/kardon FLY TWS |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | JVC HA FX21BT | harman/kardon FLY TWS |
|---|
| Controls | Power on/off, volume control, 3-button remote | - |
|---|
| CABLE | JVC HA FX21BT | harman/kardon FLY TWS |
|---|
| Cable Type | USB charge cable | - |
|---|
| FEATURES | JVC HA FX21BT | harman/kardon FLY TWS |
|---|
| Intelligent Assistant | - | Google Assistant, Alexa |
|---|
| BATTERY AND CHARGING | JVC HA FX21BT | harman/kardon FLY TWS |
|---|
| Battery Type | Headphone battery rechargeable | Lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 5 hour(s) | 6 hour(s) | harman/kardon FLY TWS lasts longer on a single charge than the JVC HA FX21BT. |
| Charging Time | 2.5 hour(s) | 2 hour(s) | harman/kardon FLY TWS recharge faster than JVC HA FX21BT. |
| CONNECTIONS | JVC HA FX21BT | harman/kardon FLY TWS |
|---|
| Connector Type | USB (power only) | - |
|---|
| OTHERS | JVC HA FX21BT | harman/kardon FLY TWS |
|---|
| Included Accessories | 2 pairs of low rebound earpieces (small, medium) | Charging case (450 mAh) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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