Has Active Noise Cancellation (Noise Control)
Sony WF 1000XM4
✓
Ultimate Ears Drops ✗
ANC uses advanced kind of tech to actively counter noise. How it works, it detects and analyzes the sound pattern outside and inside the earbud and generates a mirror signal to cancel it out. Simply put, it's like having +1 (noise) then producing -1 (inverted noise) giving 0 which results in a reduced level of noise.
The Sony WF 1000XM4 have ANC enabling you to listen at lower levels of volume, causing less ear fatigue as you don't need to crank up the earbuds volume to overcome background sounds.
Has Passive Noise Reduction
Sony WF 1000XM4
✓
Ultimate Ears Drops ✓
Ultimate Ears Drops stay well in place, creating an acoustic seal that reduces background noise while preventing the device sound from leaking out .
Both of these devices have passive noise reduction this implies that they tone down ambient noise instead of actively using technology to cancel it out.
Driver Unit Size
Sony WF 1000XM4
6mm
Ultimate Ears Drops 9.2mm
Ultimate Ears Drops have a unit size of 9.2mm in diameter, bigger drivers are more powerful, and can produce better bass.
A driver unit is basically a mini speaker that produces sound in the earbuds, the unit size determines the sound made by the device.
Sony WF 1000XM4 driver unit is 6mm in diameter,
which means that they have a smaller driver unit than that of Ultimate Ears Drops by 3.2mm
, many people have a misconception that driver units of a bigger size automatically produce better sound quality.
However, large drivers find it difficult to produce high frequencies so it's true that, larger drivers are capable of generating louder sound, but this does not indicate that they produce better quality sound.
Lowest Frequency
Sony WF 1000XM4
20Hz
Ultimate Ears Drops 20Hz
The Ultimate Ears Drops's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio device generates low audible frequencies and if it alters the signal while at it.
Sony WF 1000XM4's lowest frequency is at 20Hz, this means that
both devices produce equal bass
Highest Frequency
Sony WF 1000XM4
40000Hz
Ultimate Ears Drops 20000Hz
Ultimate Ears Drops's highest frequency is at 20000Hz, high-frequency response measures if and how well an audio component makes high audible frequencies and if it makes any changes to the signal while at it.
Sony WF 1000XM4's highest frequency is at 40000Hz, this implies that
Sony WF 1000XM4 produce a clearer and crispier treble than the Ultimate Ears Drops
Sound Pressure Level
Sony WF 1000XM4
105dB/mW
Ultimate Ears Drops 110dB/mW
The sound pressure level, is the level of pressure of sound, in decibels, dB, Ultimate Ears Drops's measurement is 110dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Sony WF 1000XM4's sound pressure level measurement is 105dB/mW. How loud a device is can be taken differently by separate persons, so we need to have the means to get an objective measurement of sound level expressed in numerical terms.
Has A Neodymium Magnet
Sony WF 1000XM4
✓
Ultimate Ears Drops ✗
Sony WF 1000XM4 have neodymium magnets, when used in earbuds produce a higher sensitivity and substantial sound output while using less power. They can help produce music at quite a high sound pressure level, with the use of high magnetic flux.
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