Sennheiser CX 150BT vs. OPPO Enco W51

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser CX 150BT 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.

Headphones Specifications Comparison

Sennheiser CX 150BT vs. OPPO Enco W51 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser CX 150BT OPPO Enco W51
Product Type Earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Weight 12 g 55.5 g Sennheiser CX 150BT are lighter than Sennheiser CX 150BT headphones.
Colour Black | White White floral | Starry blue
Protection - 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 Sennheiser CX 150BT 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 -
Active Noise Cancelling - Yes OPPO Enco W51 are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Frequency Response 17 - 20000 Hz 20 - 20000 Hz Sennheiser CX 150BT offer a larger frequency range than OPPO Enco W51.
Total Harmonic Distortion (THD) 0.5% -
Sensitivity - 103 dB
Impedance 28 Ohm -
Max Sound Pressure 100 dB -
Diaphragm - 7 mm
MICROPHONE Sennheiser CX 150BT OPPO Enco W51
Form Factor - Built-in
Type On-cable -
Microphone Operation Mode Omni-directional -
Sensitivity - -38 dBV/Pascal
REMOTE CONTROL Sennheiser CX 150BT OPPO Enco W51
Controls 3-button remote -
CABLE Sennheiser CX 150BT OPPO Enco W51
Cable Type USB-C charge cable -
BATTERY AND CHARGING Sennheiser CX 150BT OPPO Enco W51
Battery Type Headphone battery rechargeable Headphone battery rechargeable - Lithium Ion
Battery Capacity - 25 mAh
Battery Life 10 hour(s) 4 hour(s) Sennheiser CX 150BT 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
Included Qty - 2
OTHERS Sennheiser CX 150BT OPPO Enco W51
Included Accessories 4 pairs of ear tips (XS, S,M, L) Charging case (480 mAh)
Service & Support Limited warranty - 2 years -
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