Has Active Noise Cancellation (Noise Control)
OnePlus Buds Pro 2
✓
Sennheiser CX 500BT ✓
ANC makes use of more advanced kind of tech to actively cancel noise. How it works, it studies the sound pattern of incoming noise and then inverts the soundwaves to counter it. In simple terms, it's like taking +1 (noise) and producing -1 (inverted noise) to make 0 thus "diluting" the noise.
The OnePlus Buds Pro 2 have ANC allowing you to listen at lower volume levels, causing less ear fatigue since you don't have to crank up the earbuds volume to outcompete background sounds.
Sennheiser CX 500BT too have Active Noise Cancellation which makes either of the devices ideal for plane rides and morning commutes. The OnePlus Buds Pro 2 and Sennheiser CX 500BT work with different noise cancellation settings, pick the mode that suits your commute or that enhances your relaxation time.
Has Passive Noise Reduction
OnePlus Buds Pro 2
✓
Sennheiser CX 500BT ✓
The OnePlus Buds Pro 2 sit well in place, creating an acoustic covering that reduces your environment sounds well as preventing the device music from leaking out at the same.
Both of these devices have passive noise reduction which implies that they reduce ambient noise without using technology 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, bigger drivers are more powerful, therefor producing better bass.
The driver unit is basically a mini speaker that makes sound in the device, its size determines the sound produced by the device.
Lowest Frequency
OnePlus Buds Pro 2
10Hz
Sennheiser CX 500BT 5Hz
OnePlus Buds Pro 2's lowest frequency is at 10Hz, low-frequency response inidcates how well a particular audio component generates low frequencies that can be heard, and if it alters the signal while at it.
Sennheiser CX 500BT's lowest frequency is at 5Hz, this means that
Sennheiser CX 500BT make sound with a juicier bass than the OnePlus Buds Pro 2
Highest Frequency
OnePlus Buds Pro 2
40000Hz
Sennheiser CX 500BT 21000Hz
The OnePlus Buds Pro 2's highest frequency is at 40000Hz, high-frequency response measures if and how well an audio device generates high human frequencies and if it makes any changes to the signal on its way through.
Sennheiser CX 500BT's highest frequency is at 21000Hz, this means that
OnePlus Buds Pro 2 generate 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 pressure level 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 something is can be perceived differently by different persons, so we need to have the means to get an objective measurement of sound level expressed in numerical terms.
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