Has Active Noise Cancellation (Noise Control)
Bowers & Wilkins PI7
✓
Nuraphone NuraTrue ✓
ANC uses more advanced kind of tech to reduce ambient sounds. How it works, it detects and analyzes the sound pattern of incoming noise and inverts the soundwaves to cancel it out. In simple terms, it's like having +1 (noise) then producing -1 (counter sound by the device) to make 0 hence "diluting" the noise.
Nuraphone NuraTrue have ANC allowing you to listen at lower levels of volume, causing less ear fatigue as you don't have to crank up the earbuds volume to overcome background noise.
The Bowers & Wilkins PI7 too have ANC which makes both devices ideal for plane rides and morning commutes. The Nuraphone NuraTrue and Bowers & Wilkins PI7 operate with different noise cancellation settings, pick the setting that suits your commute or that suites your chill time.
Has Passive Noise Reduction
Bowers & Wilkins PI7
✓
Nuraphone NuraTrue ✓
The Nuraphone NuraTrue stay tightly in place, this creates a sound covering that reduces background noise and also prevents the earbuds voice audio from leaking out .
Both Bowers & Wilkins PI7, and Nuraphone NuraTrue have passive noise reduction this implies that both tone down ambient noise instead of actively using technology to cancel it out.
Driver Unit Size
Bowers & Wilkins PI7
9.2mm
Nuraphone NuraTrue 10mm
Nuraphone NuraTrue have a unit size of 10mm in diameter, bigger drivers are more powerful, therefor producing better bass.
The driver unit is basically a mini speaker that produces sound in the earbuds, the unit size dictates the sound made by the device.
Bowers & Wilkins PI7 driver unit is 9.2mm in diameter,
which means that they have a smaller driver unit than that of Nuraphone NuraTrue by 0.8mm
, a common assumption that driver units of a bigger size automatically produce better sound quality.
However, large drivers find it difficult to produce high frequencies so yeah, larger drivers can generate louder sound, but this does not imply that they deliver better quality sound.
Lowest Frequency
Bowers & Wilkins PI7
10hz
Nuraphone NuraTrue 20hz
Nuraphone NuraTrue's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio device generates low frequencies that can be heard, and if it makes any changes to the signal on its way through.
Bowers & Wilkins PI7's lowest frequency is at 10Hz, this means that
Bowers & Wilkins PI7 can produce a juicier bass than the Nuraphone NuraTrue
Highest Frequency
Bowers & Wilkins PI7
20,000hz
Nuraphone NuraTrue 20,000hz
Nuraphone NuraTrue's highest frequency is at 20,000Hz, high-frequency response measures if and how well a particular audio component generates high recognizable frequencies and if it changes to the signal on its way through.
Bowers & Wilkins PI7's highest frequency is at 20,000Hz, this means that
both devices generate equal treble
Sound Pressure Level
Bowers & Wilkins PI7
✗
Nuraphone NuraTrue 108db/mw
SPL, is the level of pressure of sound, in decibels, dB, Nuraphone NuraTrue's measurement is 108dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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