OPPO Enco W51 vs. OPPO Enco Air 2 Pro

Headphones Comparison, Reviews and Tests

Detailed comparison and review of OPPO Enco W51 and OPPO Enco Air 2 Pro. 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.

Headphones Specifications Comparison

OPPO Enco W51 vs. OPPO Enco Air 2 Pro Comparison Chart
DESIGN AND DIMENSIONS OPPO Enco W51 OPPO Enco Air 2 Pro
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Weight 55.5 g -
Dimensions & Weight Details - 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 White floral | Starry blue White
Protection Dust-resistant, IP54, water-resistant Dust-resistant, IP54, water-resistant
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) 10 m 10 m The maximum operating distance of both headphones is the same.
SOUND QUALITY OPPO Enco W51 OPPO Enco Air 2 Pro
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic -
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.0 Bluetooth 5.2 OPPO Enco Air 2 Pro have a more advanced version of Bluetooth than OPPO Enco W51.
Bluetooth Audio Codec - SBC, AAC
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Sensitivity 103 dB 110.5 dB +/- 3dB OPPO Enco Air 2 Pro have higher sensitivity than OPPO Enco W51.
Diaphragm 7 mm Titanium composite - 12.4 mm OPPO Enco Air 2 Pro have a thicker diaphragm than OPPO Enco W51.
MICROPHONE OPPO Enco W51 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)
Sensitivity -38 dBV/Pascal -38 dBV/Pascal
Microphones Included - 2
FEATURES OPPO Enco W51 OPPO Enco Air 2 Pro
Features - Touch control, noise reduction
Additional Functions - Transparency mode
BATTERY AND CHARGING OPPO Enco W51 OPPO Enco Air 2 Pro
Battery Type Headphone battery rechargeable - Lithium Ion 2 x headphone battery rechargeable - Lithium Ion
Battery Capacity 25 mAh 43 mAh OPPO Enco Air 2 Pro have a higher battery capacity than OPPO Enco W51.
Battery Life 4 hour(s) -
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
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 - 90 min
Included Qty 2 2
OTHERS OPPO Enco W51 OPPO Enco Air 2 Pro
Included Accessories Charging case (480 mAh) Charging case (440 mAh)
Compliant Standards - IP54
Service & Support - Limited warranty - 1 year
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