Side by side comparison and review of JBL Under Armour Project Rock True Wireless X and Soundcore Liberty 4. 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 Under Armour Project Rock True Wireless X | Soundcore Liberty 4 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 55 g | |
| Colour | Black | Midnight black | |
| Protection | Waterproof, sweat-resistant, IPX7 | IPX4, water-resistant | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| High-Resolution Audio | - | Yes | |
| Tracking Data | - | Heart rate |
| SOUND QUALITY | JBL Under Armour Project Rock True Wireless X | Soundcore Liberty 4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | LDAC | |
| Active Noise Cancelling | - | Yes | Soundcore Liberty 4 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | JBL Under Armour Project Rock True Wireless X are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 360° Spatial Audio | |
| Frequency Response | 20 - 22000 Hz | Up to 40000 Hz | |
| Sensitivity | 96 dB/mW | - | |
| Impedance | 14 Ohm | - | |
| Max Sound Pressure | 96 dB | - | |
| Diaphragm | 5.8 mm | - | |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | MultiPoint Technology, ACAA 3.0 technology |
| MICROPHONE | JBL Under Armour Project Rock True Wireless X | Soundcore Liberty 4 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Soundcore Liberty 4 microphone can cancel out ambient noise. |
| Sensitivity | -25 dBV/Pascal | - | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | JBL Under Armour Project Rock True Wireless X | Soundcore Liberty 4 |
|---|
| Controls | - | Answer/end, play/pause, squeeze control, ANC/transparency/normal |
|---|
| CABLE | JBL Under Armour Project Rock True Wireless X | Soundcore Liberty 4 |
|---|
| Cable Type | USB-C charge cable - detachable | - |
|---|
| FEATURES | JBL Under Armour Project Rock True Wireless X | Soundcore Liberty 4 |
|---|
| Features | - | HearID 2.0 Technology, Dynamic Head Tracking | |
|---|---|---|---|
| Sensors | - | Gyroscope |
| BATTERY AND CHARGING | JBL Under Armour Project Rock True Wireless X | Soundcore Liberty 4 |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 120 mAh | - | |
| Battery Life | 10 hour(s) | 9 hour(s) | JBL Under Armour Project Rock True Wireless X lasts longer on a single charge than the Soundcore Liberty 4. |
| 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 |
Continuous playback: up to 9 hours Continuous playback (with included charging case): up to 28 hours |
|
| Charging Time | 2 hour(s) | 1 hour(s) | Soundcore Liberty 4 recharge faster than JBL Under Armour Project Rock True Wireless X. |
| Included Qty | 2 | - |
| OTHERS | JBL Under Armour Project Rock True Wireless X | Soundcore Liberty 4 |
|---|
| Included Accessories | Carrying case, 3 pairs of ear tips, 3 pairs of EarFins, sticker, USB-C charging cable, charging case (1500 mAh) | Charging case, CloudComfort ear tips (S/M1/M2/L)) | |
|---|---|---|---|
| Software Included | MapMyRun premium membership (12 months) | - | |
| Compliant Standards | IPX7 | IPX4 | |
| Service & Support | - | Limited warranty - 18 months |
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