In depth comparison and review of harman/kardon FLY TWS and JBL Under Armour Project Rock True Wireless X. 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 | harman/kardon FLY TWS | JBL Under Armour Project Rock True Wireless X |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 7.3 g Charging case: 59.2 g |
- | |
| Colour | Black | Black | |
| Protection | Waterproof, IPX5 | Waterproof, sweat-resistant, IPX7 | |
| Design | - | Sports | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | harman/kardon FLY TWS | JBL Under Armour Project Rock True Wireless X |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), 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) | |
| Noise Isolating | - | Yes | JBL Under Armour Project Rock True Wireless X are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 10 - 20000 Hz | 20 - 22000 Hz | JBL Under Armour Project Rock True Wireless X offer a larger frequency range than harman/kardon FLY TWS. |
| Sensitivity | 97 dB | 96 dB/mW | harman/kardon FLY TWS have higher sensitivity than JBL Under Armour Project Rock True Wireless X. |
| Impedance | 17 Ohm | 14 Ohm | |
| Max Sound Pressure | - | 96 dB | |
| Diaphragm | 5.6 mm | 5.8 mm | JBL Under Armour Project Rock True Wireless X have a thicker diaphragm than harman/kardon FLY TWS. |
| Features | TalkThru technology | TalkThru technology, JBL Charged Sound, Ambient Aware |
| MICROPHONE | harman/kardon FLY TWS | JBL Under Armour Project Rock True Wireless X |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | - | -25 dBV/Pascal |
| CABLE | harman/kardon FLY TWS | JBL Under Armour Project Rock True Wireless X |
|---|
| Cable Type | - | USB-C charge cable - detachable |
|---|
| FEATURES | harman/kardon FLY TWS | JBL Under Armour Project Rock True Wireless X |
|---|
| Intelligent Assistant | Google Assistant, Alexa | - |
|---|
| BATTERY AND CHARGING | harman/kardon FLY TWS | JBL Under Armour Project Rock True Wireless X |
|---|
| Battery Type | Lithium polymer | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 120 mAh | JBL Under Armour Project Rock True Wireless X have a higher battery capacity than harman/kardon FLY TWS. |
| Battery Life | 6 hour(s) | 10 hour(s) | JBL Under Armour Project Rock True Wireless X lasts longer on a single charge than the harman/kardon FLY TWS. |
| Battery Life Details | - | Continuous talk: up to 10 hours Continuous playback: up to 10 hours Continuous playback (with included charging case): up to 50 hours |
|
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| OTHERS | harman/kardon FLY TWS | JBL Under Armour Project Rock True Wireless X |
|---|
| Included Accessories | Charging case (450 mAh) | Carrying case, 3 pairs of ear tips, 3 pairs of EarFins, sticker, USB-C charging cable, charging case (1500 mAh) | |
|---|---|---|---|
| Software Included | - | MapMyRun premium membership (12 months) | |
| Compliant Standards | - | IPX7 | |
| Service & Support | Limited warranty - 1 year | - |
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