In depth comparison and review of Sennheiser CX True Wireless and OPPO Enco Buds 2. 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 Buds 2 |
|---|
| 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 g Charging case: 5.7 cm x 5.7 cm x 2.56 cm / 30 g Charging case with earphones: 38 g |
|
| Colour | Black | White | Moonlight | |
| Protection | Splashproof, IPX4 | IPX4 | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX True Wireless | OPPO Enco Buds 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | 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 Buds 2 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | 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 Buds 2. |
| Total Harmonic Distortion (THD) | <0.08% | - | |
| Sensitivity | 110 dB | 101 dB | Sennheiser CX True Wireless have higher sensitivity than OPPO Enco Buds 2. |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | 7 mm | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | 1 | - | |
| Features | TrueResponse technology | - |
| MICROPHONE | Sennheiser CX True Wireless | OPPO Enco Buds 2 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | OPPO Enco Buds 2 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 4 | - |
| CABLE | Sennheiser CX True Wireless | OPPO Enco Buds 2 |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | - |
|---|
| FEATURES | Sennheiser CX True Wireless | OPPO Enco Buds 2 |
|---|
| Features | Touch control | Touch control, noise reduction | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Voice Control | Indirect | - | |
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | OPPO Enco Buds 2 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 60 mAh | 40 mAh | Sennheiser CX True Wireless have a higher battery capacity than OPPO Enco Buds 2. |
| Battery Life | 9 hour(s) | 7 hours | Sennheiser CX True Wireless lasts longer on a single charge than the OPPO Enco Buds 2. |
| 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 |
|
| 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 Buds 2 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | Charging case (460 mAh) | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1 | IPX4 |
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