Side by side comparison and review of JBL Free and JBL Under Armour Project Rock True Wireless X. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | JBL Free | JBL Under Armour Project Rock True Wireless X |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 99 g | - | |
| Colour | White | Black | Black | |
| Protection | - | Waterproof, sweat-resistant, IPX7 | |
| Design | - | Sports | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | JBL Free | JBL Under Armour Project Rock True Wireless X |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | JBL Under Armour Project Rock True Wireless X have a more advanced version of Bluetooth than JBL Free. |
| 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) | |
| Noise Isolating | - | Yes | JBL Under Armour Project Rock True Wireless X are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 10 - 22000 Hz | 20 - 22000 Hz | JBL Free offer a larger frequency range than JBL Under Armour Project Rock True Wireless X. |
| Sensitivity | - | 96 dB/mW | |
| Impedance | - | 14 Ohm | |
| Max Sound Pressure | - | 96 dB | |
| Diaphragm | 5.8 mm | 5.8 mm | Both headphones are designed with same thick diaphragm. |
| Features | - | TalkThru technology, JBL Charged Sound, Ambient Aware |
| MICROPHONE | JBL Free | JBL Under Armour Project Rock True Wireless X |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | - | -25 dBV/Pascal |
| CABLE | JBL Free | JBL Under Armour Project Rock True Wireless X |
|---|
| Cable Type | Micro-USB charge cable | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | JBL Free | JBL Under Armour Project Rock True Wireless X |
|---|
| Battery Type | Headphone battery rechargeable | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 120 mAh | |
| Battery Life | 4 hour(s) | 10 hour(s) | JBL Under Armour Project Rock True Wireless X lasts longer on a single charge than the JBL Free. |
| 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 | JBL Free | JBL Under Armour Project Rock True Wireless X |
|---|
| Included Accessories | 2 pairs of ear sleeves, charging case | 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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