Has Active Noise Cancellation (Noise Control)
OnePlus Buds Pro 2
✓
Sennheiser CX 500BT ✓
ANC utilises advanced kind of tech to reduce unwanted ambient sounds. How it works, it studies the sound pattern outside and inside the earbud and then inverts the soundwaves to cancel it out. Simply put, it's like having +1 (sound from your surrounding) then adding -1 (inverted noise) to make 0 which results in a reduced level of noise.
The OnePlus Buds Pro 2 have ANC enabling you to listen at lower levels of volume, good for your ears as you don't have to crank up the device volume to outcompete background noise.
Sennheiser CX 500BT too have ANC which makes either of the earbuds ideal for plane rides and morning commutes. Each operate with different noise cancellation types, pick the mode that you prefer for travel or that enhances your relaxation time.
Has Passive Noise Reduction
OnePlus Buds Pro 2
✓
Sennheiser CX 500BT ✓
OnePlus Buds Pro 2 stay well in place, this creates an acoustic seal that tones down your environment sounds and also prevents the earbuds music from leaking out at the same.
Both Sennheiser CX 500BT, and OnePlus Buds Pro 2 have passive noise reduction this means that they limit ambient noise instead of actively using ANC to cancel it out.
Driver Unit Size
OnePlus Buds Pro 2
11mm
Sennheiser CX 500BT ✗
OnePlus Buds Pro 2 driver unit is 11mm in diameter, the bigger the unit the more powerful, and can produce better bass.
A driver unit is basically a mini speaker that makes sound in the device, the unit size corellates with the loudness of the earbuds.
Lowest Frequency
OnePlus Buds Pro 2
10hz
Sennheiser CX 500BT 5hz
The OnePlus Buds Pro 2's lowest frequency is at 10Hz, low-frequency response inidcates how well a particular audio component generates low audible frequencies and if it alters the signal while at it.
Sennheiser CX 500BT's lowest frequency is at 5Hz, this means that
Sennheiser CX 500BT can make sound with a juicier bass than the OnePlus Buds Pro 2
Highest Frequency
OnePlus Buds Pro 2
40,000hz
Sennheiser CX 500BT 21,000hz
OnePlus Buds Pro 2's highest frequency is at 40,000Hz, high-frequency response indicates how well an audio component produces high recognizable frequencies and if it makes any adjustments to the signal while at it.
Sennheiser CX 500BT's highest frequency is at 21,000Hz, this means that
OnePlus Buds Pro 2 produce a clearer and crispier treble than the Sennheiser CX 500BT
Sound Pressure Level
OnePlus Buds Pro 2
97db/mw
Sennheiser CX 500BT 94db/mw
The sound pressure level, is the level of pressure of sound, in decibels, dB, OnePlus Buds Pro 2's measurement is 97dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Sennheiser CX 500BT's sound pressure level measurement is 94dB/mW. How loud a device is can be taken differently by different people, so we need to have the means to get a standard measurement of sound level expressed in numerical terms.
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