In depth comparison and review of Sennheiser CX True Wireless and OPPO Enco Air 2 Pro. 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 True Wireless | OPPO Enco Air 2 Pro |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
Earphone: 4.3 g Charging case: 6.684 cm x 2.504 cm x 5.145 cm / 41.8 g Charging case with earphones: 50.4 g |
|
| Colour | Black | White | White | |
| Protection | Splashproof, IPX4 | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX True Wireless | OPPO Enco Air 2 Pro |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.2 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC | |
| Active Noise Cancelling | - | Yes | OPPO Enco Air 2 Pro are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX True Wireless offer a larger frequency range than OPPO Enco Air 2 Pro. |
| Total Harmonic Distortion (THD) | <0.08% | - | |
| Sensitivity | 110 dB | 110.5 dB +/- 3dB | Both headphones offer the same sensitivity. |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | 7 mm | Titanium composite - 12.4 mm | OPPO Enco Air 2 Pro have a thicker diaphragm than Sennheiser CX True Wireless. |
| Simultaneously Connectable Devices Qty (Multipoint) | 1 | - | |
| Features | TrueResponse technology | - |
| MICROPHONE | Sennheiser CX True Wireless | OPPO Enco Air 2 Pro |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | OPPO Enco Air 2 Pro microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 4 | 2 | Sennheiser CX True Wireless have a built-in microphone. |
| CABLE | Sennheiser CX True Wireless | OPPO Enco Air 2 Pro |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | - |
|---|
| FEATURES | Sennheiser CX True Wireless | OPPO Enco Air 2 Pro |
|---|
| Features | Touch control | Touch control, noise reduction | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Voice Control | Indirect | - | |
| Intelligent Assistant | Siri, Google Assistant | - | |
| Additional Functions | - | Transparency mode |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | OPPO Enco Air 2 Pro |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 60 mAh | 43 mAh | Sennheiser CX True Wireless have a higher battery capacity than OPPO Enco Air 2 Pro. |
| Battery Life | 9 hour(s) | - | |
| Battery Life Details | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
Continuous playback (noise cancelling OFF): up to 7 hours Continuous playback (noise cancelling OFF / with included charging case): up to 28 hours Continuous playback (noise cancelling ON): up to 5 hours Continuous playback (noise cancelling ON / with included charging case): up to 20 hours |
|
| Charging Time | 1.5 hour(s) | 90 min | The charging of both headphones last the same time. |
| Included Qty | 2 | 2 |
| OTHERS | Sennheiser CX True Wireless | OPPO Enco Air 2 Pro |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | Charging case (440 mAh) | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1 | IP54 | |
| Service & Support | - | Limited warranty - 1 year |
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