Detailed comparison and review of Audio-Technica ATH CKR7TW and OPPO Enco W51. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Audio-Technica ATH CKR7TW | OPPO Enco W51 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 8 g | 55.5 g | Audio-Technica ATH CKR7TW are lighter than Audio-Technica ATH CKR7TW headphones. |
| Dimensions & Weight Details | Headphones: 8 g Charging case: 75 g |
- | |
| Colour | Grey | White floral | Starry blue | |
| Protection | - | Dust-resistant, IP54, water-resistant | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Audio-Technica ATH CKR7TW | OPPO Enco W51 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX | - | |
| Active Noise Cancelling | - | Yes | OPPO Enco W51 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 45000 Hz | 20 - 20000 Hz | Audio-Technica ATH CKR7TW offer a larger frequency range than OPPO Enco W51. |
| Max Input Power | 100 mW | - | |
| Sensitivity | - | 103 dB | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 11 mm | 7 mm | Audio-Technica ATH CKR7TW have a thicker diaphragm than OPPO Enco W51. |
| Features | True wireless | - |
| MICROPHONE | Audio-Technica ATH CKR7TW | OPPO Enco W51 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -38 dB | -38 dBV/Pascal |
| REMOTE CONTROL | Audio-Technica ATH CKR7TW | OPPO Enco W51 |
|---|
| Controls | Volume, answer/end | - |
|---|
| CABLE | Audio-Technica ATH CKR7TW | OPPO Enco W51 |
|---|
| Cable Type | USB charge cable - detachable - 30 cm | - |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH CKR7TW | OPPO Enco W51 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 6 hour(s) | 4 hour(s) | Audio-Technica ATH CKR7TW lasts longer on a single charge than the OPPO Enco W51. |
| Battery Life Details | - | Continuous playback (noise cancelling OFF / cable connection): up to 24 hours Continuous playback (noise cancelling ON / cable connection): up to 20 hours Continuous playback (noise cancelling OFF): up to 4 hours Continuous playback (noise cancelling ON): up to 3.5 hours |
|
| Charging Time | 2 hour(s) | - | |
| Included Qty | - | 2 |
| OTHERS | Audio-Technica ATH CKR7TW | OPPO Enco W51 |
|---|
| Included Accessories | Charging case / portable power bank, 4 pairs of ear tips (XS, small, medium, large) | Charging case (480 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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