In depth comparison and review of Sennheiser CX SPORT 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 | Sennheiser CX SPORT | JBL Under Armour Project Rock True Wireless X |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 31.85 cm | - | |
| Width | 4.52 cm | - | |
| Depth | 1.43 cm | - | |
| Weight | 15.07 g | - | |
| Colour | - | Black | |
| Protection | Splashproof, sweat-resistant | Waterproof, sweat-resistant, IPX7 | |
| Design | Sports | Sports | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX SPORT | 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 Sennheiser CX SPORT. |
| 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, apt-X LL | - | |
| 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 | 17 - 21000 Hz | 20 - 22000 Hz | JBL Under Armour Project Rock True Wireless X offer a larger frequency range than Sennheiser CX SPORT. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | - | 96 dB/mW | |
| Impedance | - | 14 Ohm | |
| Max Sound Pressure | 112 dB | 96 dB | |
| Diaphragm | - | 5.8 mm | |
| Features | - | TalkThru technology, JBL Charged Sound, Ambient Aware |
| MICROPHONE | Sennheiser CX SPORT | JBL Under Armour Project Rock True Wireless X |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Sensitivity | - | -25 dBV/Pascal |
| REMOTE CONTROL | Sennheiser CX SPORT | JBL Under Armour Project Rock True Wireless X |
|---|
| Controls | 3-button remote | - |
|---|
| CABLE | Sennheiser CX SPORT | JBL Under Armour Project Rock True Wireless X |
|---|
| Cable Type | Charging cable - detachable | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Sennheiser CX SPORT | JBL Under Armour Project Rock True Wireless X |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 120 mAh | |
| Battery Life | 6 hour(s) | 10 hour(s) | JBL Under Armour Project Rock True Wireless X lasts longer on a single charge than the Sennheiser CX SPORT. |
| 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 | 1.5 hour(s) | 2 hour(s) | Sennheiser CX SPORT recharge faster than Sennheiser CX SPORT. |
| Included Qty | - | 2 |
| OTHERS | Sennheiser CX SPORT | JBL Under Armour Project Rock True Wireless X |
|---|
| Included Accessories | USB charging cable, cable clip, 4 pairs of ear tips (XS, S,M, L), 3 pairs of ear sleeves (S, M, L), neoprene pouch | 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 - 2 years | - |
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