In depth comparison and review of Erato RIO 3 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 | Erato RIO 3 | JBL Under Armour Project Rock True Wireless X |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 4.6 cm | - | |
| Width | 5.1 cm | - | |
| Depth | 3.4 cm | - | |
| Weight | 14 g | - | |
| Colour | Yellow | Black | Turquoise | Green | Red | Silver | Black | |
| Protection | Sweat-resistant, IPX5, water-resistant | Waterproof, sweat-resistant, IPX7 | |
| Design | - | Sports | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Erato RIO 3 | 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 4.2 | Bluetooth 5.0 | JBL Under Armour Project Rock True Wireless X have a more advanced version of Bluetooth than Erato RIO 3. |
| 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, AAC, aptX | - | |
| 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 | 20 - 20000 Hz | 20 - 22000 Hz | JBL Under Armour Project Rock True Wireless X offer a larger frequency range than Erato RIO 3. |
| Sensitivity | 100 dB | 96 dB/mW | Erato RIO 3 have higher sensitivity than JBL Under Armour Project Rock True Wireless X. |
| Impedance | 32 Ohm | 14 Ohm | |
| Max Sound Pressure | - | 96 dB | |
| Diaphragm | 14.2 mm | 5.8 mm | Erato RIO 3 have a thicker diaphragm than JBL Under Armour Project Rock True Wireless X. |
| Features | - | TalkThru technology, JBL Charged Sound, Ambient Aware |
| MICROPHONE | Erato RIO 3 | JBL Under Armour Project Rock True Wireless X |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -38 dB | -25 dBV/Pascal |
| REMOTE CONTROL | Erato RIO 3 | JBL Under Armour Project Rock True Wireless X |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode | - |
|---|
| CABLE | Erato RIO 3 | JBL Under Armour Project Rock True Wireless X |
|---|
| Cable Type | - | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Erato RIO 3 | JBL Under Armour Project Rock True Wireless X |
|---|
| Battery Type | Headphone battery rechargeable | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 130 mAh | 120 mAh | Erato RIO 3 have a higher battery capacity than JBL Under Armour Project Rock True Wireless X. |
| Battery Life | 8 hour(s) | 10 hour(s) | JBL Under Armour Project Rock True Wireless X lasts longer on a single charge than the Erato RIO 3. |
| Battery Life Details | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
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) | |
| Included Qty | 2 | 2 |
| OTHERS | Erato RIO 3 | JBL Under Armour Project Rock True Wireless X |
|---|
| Included Accessories | - | 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 |
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