Detailed comparison and review of Sennheiser HD 1 In-Ear Wireless 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 | Sennheiser HD 1 In-Ear Wireless | OPPO Enco W51 |
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Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
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Weight | - | 55.5 g | |
Colour | - | White floral | Starry blue | |
Protection | - | Dust-resistant, IP54, water-resistant | |
Recommended Use | Portable electronics | Portable electronics | |
Bluetooth Range (Operating Distance) | - | 10 m |
SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | OPPO Enco W51 |
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Headphones Form Factor | In-ear | In-ear | |
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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 Sennheiser HD 1 In-Ear Wireless. |
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 | 15 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 1 In-Ear Wireless offer a larger frequency range than OPPO Enco W51. |
Total Harmonic Distortion (THD) | <0.5% | - | |
Sensitivity | - | 103 dB | |
Max Sound Pressure | 112 dB | - | |
Diaphragm | - | 7 mm |
MICROPHONE | Sennheiser HD 1 In-Ear Wireless | OPPO Enco W51 |
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Form Factor | - | Built-in | |
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Type | On-cable | - | |
Microphone Operation Mode | Omni-directional | - | |
Sensitivity | -44 dBV/Pascal | -38 dBV/Pascal |
CABLE | Sennheiser HD 1 In-Ear Wireless | OPPO Enco W51 |
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Cable Type | USB charge cable | - |
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BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | OPPO Enco W51 |
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Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
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Battery Capacity | 170 mAh | 25 mAh | Sennheiser HD 1 In-Ear Wireless have a higher battery capacity than OPPO Enco W51. |
Battery Life | 10 hour(s) | 4 hour(s) | Sennheiser HD 1 In-Ear Wireless 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 |
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Charging Time | 1.5 hour(s) | - | |
Included Qty | - | 2 |
OTHERS | Sennheiser HD 1 In-Ear Wireless | OPPO Enco W51 |
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Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | Charging case (480 mAh) |
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