In depth comparison and review of Sennheiser CX SPORT and JBL Free II. 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 Free II |
|---|
| 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 | 4.8 g | JBL Free II are lighter than Sennheiser CX SPORT headphones. |
| Dimensions & Weight Details | - | Earphone: 4.8 g Charging case: 52 g |
|
| Colour | - | Black | White | |
| Protection | Splashproof, sweat-resistant | Splashproof, IPX4 | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX SPORT | JBL Free II |
|---|
| 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 Free II 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 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX SPORT offer a larger frequency range than JBL Free II. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | - | 100 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 112 dB | 95 dB | |
| Diaphragm | - | 5.6 mm |
| MICROPHONE | Sennheiser CX SPORT | JBL Free II |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Sennheiser CX SPORT | JBL Free II |
|---|
| Controls | 3-button remote | - |
|---|
| CABLE | Sennheiser CX SPORT | JBL Free II |
|---|
| Cable Type | Charging cable - detachable | USB-C charge cable |
|---|
| FEATURES | Sennheiser CX SPORT | JBL Free II |
|---|
| Features | - | Touch control |
|---|
| BATTERY AND CHARGING | Sennheiser CX SPORT | JBL Free II |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 6 hour(s) | 6 hour(s) | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | - | (with included charging case): up to 24 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 Free II |
|---|
| 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 | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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