Side by side comparison and review of Audio-Technica ATH CKR75BT and OPPO Enco W51. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Audio-Technica ATH CKR75BT | OPPO Enco W51 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 17.8 g | 55.5 g | Audio-Technica ATH CKR75BT are lighter than Audio-Technica ATH CKR75BT headphones. |
| Colour | Metallic gunmetal | White floral | Starry blue | |
| Body Material | Aluminium | - | |
| Protection | - | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Audio-Technica ATH CKR75BT | 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 4.1 | Bluetooth 5.0 | OPPO Enco W51 have a more advanced version of Bluetooth than Audio-Technica ATH CKR75BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | - | Yes | OPPO Enco W51 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 40000 Hz | 20 - 20000 Hz | Audio-Technica ATH CKR75BT offer a larger frequency range than OPPO Enco W51. |
| Sensitivity | 108 dB/mW | 103 dB | Audio-Technica ATH CKR75BT have higher sensitivity than OPPO Enco W51. |
| Impedance | 19 Ohm | - | |
| Diaphragm | 11.8 mm | 7 mm | Audio-Technica ATH CKR75BT have a thicker diaphragm than OPPO Enco W51. |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Audio-Technica ATH CKR75BT | OPPO Enco W51 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -44 dBV/Pascal | -38 dBV/Pascal |
| REMOTE CONTROL | Audio-Technica ATH CKR75BT | OPPO Enco W51 |
|---|
| Controls | Remote control | - |
|---|
| FEATURES | Audio-Technica ATH CKR75BT | OPPO Enco W51 |
|---|
| Additional Functions | Amplifier | - |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH CKR75BT | OPPO Enco W51 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 7 hour(s) | 4 hour(s) | Audio-Technica ATH CKR75BT 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 |
|
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | - | |
| Included Qty | - | 2 |
| WIRELESS LINK | Audio-Technica ATH CKR75BT | OPPO Enco W51 |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Transmitter Power | 0.7 mW | - | |
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | Audio-Technica ATH CKR75BT | OPPO Enco W51 |
|---|
| Included Accessories | Carrying case, headphones wire clip, 4 pairs of earpads (extra small, small, medium, large), micro-USB charging cable (30cm) | Charging case (480 mAh) |
|---|
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