Sennheiser CX 7.00BT vs. OPPO Enco W51

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sennheiser CX 7.00BT and OPPO Enco W51. 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.

Headphones Specifications Comparison

Sennheiser CX 7.00BT vs. OPPO Enco W51 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser CX 7.00BT OPPO Enco W51
Product Type Earphones - Bluetooth - wireless - NFC True wireless earphones - Bluetooth - wireless
Weight - 55.5 g
Colour Black 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 CX 7.00BT 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 Sennheiser CX 7.00BT.
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 17 - 21000 Hz 20 - 20000 Hz Sennheiser CX 7.00BT 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 CX 7.00BT OPPO Enco W51
Form Factor - Built-in
Type On-cable -
Microphone Operation Mode Omni-directional -
Sensitivity -44 dBV/Pascal -38 dBV/Pascal
CABLE Sennheiser CX 7.00BT OPPO Enco W51
Cable Type USB charge cable -
BATTERY AND CHARGING Sennheiser CX 7.00BT OPPO Enco W51
Battery Type Headphone battery rechargeable - Lithium Ion Headphone battery rechargeable - Lithium Ion
Battery Capacity 170 mAh 25 mAh Sennheiser CX 7.00BT have a higher battery capacity than OPPO Enco W51.
Battery Life 10 hour(s) 4 hour(s) Sennheiser CX 7.00BT 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 1.5 hour(s) -
Included Qty - 2
OTHERS Sennheiser CX 7.00BT OPPO Enco W51
Included Accessories Carrying pouch, 4 ear tips (extra small, small, medium, large) Charging case (480 mAh)
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