Has Active Noise Cancellation (Noise Control)
Bowers & Wilkins PI7
✓
Sennheiser Momentum True Wireless 3 ✓
ANC utilises advanced kind of tech to actively counter noise. How it works, it studies the sound pattern outside and inside the earbud and after inverts the soundwaves to cancel it out. In simple terms, it's like taking +1 (noise) and adding -1 (inverted noise) to make zero hence "diluting" the noise.
The Bowers & Wilkins PI7 have ANC enabling you to listen at lower volume levels, causing less ear fatigue since you don't have to crank up the device volume to outcompete background noise.
Sennheiser Momentum True Wireless 3 too have Active Noise Cancellation which makes both devices ideal for flights and morning commutes. The Bowers & Wilkins PI7 and Sennheiser Momentum True Wireless 3 operate with different noise cancellation types, pick the noise cancellation type that suits your commute or that enhances your relaxation time.
Has Passive Noise Reduction
Bowers & Wilkins PI7
✓
Sennheiser Momentum True Wireless 3 ✓
The Bowers & Wilkins PI7 stay tightly in place, this creates an acoustic covering that reduces background noise well as preventing the device music from leaking out .
Both Sennheiser Momentum True Wireless 3, and Bowers & Wilkins PI7 have passive noise reduction which means that both tone down ambient noise instead of actively using ANC to cancel it out.
Driver Unit Size
Bowers & Wilkins PI7
9.2mm
Sennheiser Momentum True Wireless 3 7mm
Bowers & Wilkins PI7 have a unit size of 9.2mm in diameter, bigger drivers are more powerful, therefor producing better bass.
A driver unit is basically a mini speaker that produces sound in the device, its size determines the loudness of the device.
Sennheiser Momentum True Wireless 3 driver unit is 7mm in diameter,
which implies that they have a smaller driver unit than that of Bowers & Wilkins PI7 by 2.2mm
, 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 it's true that, larger drivers can generate louder sound, but this does not imply that they produce better quality sound.
Lowest Frequency
Bowers & Wilkins PI7
10Hz
Sennheiser Momentum True Wireless 3 5Hz
The Bowers & Wilkins PI7's lowest frequency is at 10Hz, low-frequency response inidcates how well an audio device produces low frequencies that can be heard, and if it makes any changes to the signal while at it.
Sennheiser Momentum True Wireless 3's lowest frequency is at 5Hz, this implies that
Sennheiser Momentum True Wireless 3 can make sound with a juicier bass than the Bowers & Wilkins PI7
Highest Frequency
Bowers & Wilkins PI7
20,000Hz
Sennheiser Momentum True Wireless 3 21,000Hz
The Bowers & Wilkins PI7's highest frequency is at 20,000Hz, high-frequency response tells how well an audio component produces high recognizable frequencies and if it makes any changes to the signal on its way through.
Sennheiser Momentum True Wireless 3's highest frequency is at 21,000Hz, this means that
Sennheiser Momentum True Wireless 3 can generate a clearer and crispier treble than the Bowers & Wilkins PI7
Sound Pressure Level
Bowers & Wilkins PI7
✗
Sennheiser Momentum True Wireless 3 107dB/mW
The sound pressure level, is the pressure level of sound, in decibels, dB, Sennheiser Momentum True Wireless 3's measurement is 107dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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