IP ratings is the rank of protection given by a casing, against solids and water. In the format of IPXX, 'X' represents a number The first value of the IP rating refers to protection against solids such as dust, followed by the one that refers to resistance against liquids (sweat).
Having a value of IP54, the Bowers & Wilkins PI7's rating for solids indicates that ingress of dust is not totally prevented but dust does not enter in harmful quantities to interfere with the correct operation or impair safety, and the second number of 4 means that they can withstand low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes. In comparison to the Bowers & Wilkins PI7, Sennheiser Momentum True Wireless 3 have a rating of IPX4 meaning that
no data available to specify a protection rating
and that of liquids is that,
they both have the same rating against liquids
The Bowers & Wilkins PI7 have a weight of 50g . We consider a lower weight best for the reason that lighter devices are easier to carry.
Sennheiser Momentum True Wireless 3, at 10.6g
are lighter than the Bowers & Wilkins PI7 by -39.4g
For a device to be true wireless it should have no wires connecting any part of the device together, Bowers & Wilkins PI7 are true wireless for this matter since they have no wires. This is a key difference since wireless earbuds have wires connecting the two earbuds .
Sennheiser Momentum True Wireless 3 also is true wireless since it doesn't have cables linking the pair of earbuds .
Bowers & Wilkins PI7 have stereo speakers, devices with stereo speakers deliver sound from separate channels on both left and right sides, this creates a richer sound and a better listening experience. The Sennheiser Momentum True Wireless 3 also have stereo speakers
Active noise cancellation makes use of advanced technology to actively cancel noise.
ANC works when, it listens to the sound pattern outside and inside the earbud and after generates a mirror signal to cancel it out. In simple terms, it's like taking +1 (sound from your surrounding) then producing -1 (inverted noise) to make 0 resulting in a reduced level of noise.
Bowers & Wilkins PI7 have ANC allowing you to listen at lower volume levels, causing less ear fatigue since you don't need to crank up the earbuds volume to outcompete background sounds.
Sennheiser Momentum True Wireless 3 too have Active Noise Cancellation which makes either of the earbuds ideal for plane rides and rush hour commutes. Each operate with different noise cancellation types, pick the mode that you prefer for commute or that enhances your chill time. The Bowers & Wilkins PI7 sit tightly in place, this creates a sound seal that reduces background sounds and also prevents the earbuds sound from leaking out at the same.
Both of these devices have passive noise reduction this means that both reduce ambient noise instead of actively using technology to cancel it out. The Bowers & Wilkins PI7 driver unit is 9.2mm in diameter, bigger drivers are more powerful, therefor producing better bass. A driver unit is the component that produces sound in the earbuds, the unit size determines the sound produced by 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
, 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 yes, larger drivers can generate louder sound, but this does not imply that they deliver better quality sound. Bowers & Wilkins PI7's lowest frequency is at 10Hz, low-frequency response inidcates how well a particular audio component generates low recognizable frequencies and if it alters the signal on its way through.
Sennheiser Momentum True Wireless 3's lowest frequency is at 5Hz, this implies that
Sennheiser Momentum True Wireless 3 produce a juicier bass than the Bowers & Wilkins PI7
Bowers & Wilkins PI7's highest frequency is at 20,000Hz, high-frequency response indicates how well a particular audio device makes high recognizable frequencies and if it makes any adjustments to the signal while at it. Sennheiser Momentum True Wireless 3's highest frequency is at 21,000Hz, this implies that
Sennheiser Momentum True Wireless 3 can generate a clearer and crispier treble than the Bowers & Wilkins PI7
The Bowers & Wilkins PI7's battery life is 4.5 hours, these last less than 5 hours of listening which is considered average before recharge. A device's battery life is given by the manufacturer, and with more battery hours, you get to use it for longer and requires fewer chargings.
Sennheiser Momentum True Wireless 3's battery life is
more than that of Bowers & Wilkins PI7 by 2.5 hours
. Each time you recharge your earbuds, they get a little less listening time. The effect is barely noticeable at first, but over a few years, your wireless earbuds will have shorter listening time. This is given by the vendor, and Bowers & Wilkins PI7's case is said to have a charge of 18 hours.
A charging case with more battery hours enables you to recharge your earbuds on the go multiple times before recharging the case itself. Sennheiser Momentum True Wireless 3's charging case has a battery life of 21 hours,
more than that of Bowers & Wilkins PI7 by 3 hours
It requires 3 hours to fully charge the Bowers & Wilkins PI7's battery. It is recommended to charge fully the battery before using the earbuds for the first time.
Sennheiser Momentum True Wireless 3 takes 1.5 hours to fully charge the battery,
less than that of Bowers & Wilkins PI7 by 1.5 hours
The Bowers & Wilkins PI7, the device supports wireless charging. To charge the device, you simply place down on a supported charging pad. Sennheiser Momentum True Wireless 3 also support wireless charging, take note of the charging standard of the earbuds.
Bowers & Wilkins PI7 have a battery level indicator, an indicator alerts you when the earbuds has a low battery. The battery indicator lights indicate the charging status of your earbuds and charging case. Sennheiser Momentum True Wireless 3 too have a battery level indicator, charging indicators allow you tell the charging state of your earbuds, if charged fully, or having a low battery.
Bowers & Wilkins PI7 have USB TYPE-C, a standard connector for transmitting both data and power in a single cable. Sennheiser Momentum True Wireless 3 too have USB TYPE-C. This USB-C plug is part and parcel of most current electronics.
Bowers & Wilkins PI7 have Bluetooth version of 5, Bluetooth is a wireless technology standard that allows data movement between devices placed in range, using short-wavelength, ultra-high frequency radio waves. Sennheiser Momentum True Wireless 3 has a Bluetooth version of 5.2,
newer than that of Bowers & Wilkins PI7
. Newer versions provide faster data transfers. The Bowers & Wilkins PI7 have a 10meters distance connecting via Bluetooth.
Sennheiser Momentum True Wireless 3 have a maximum range of 10meters,
equal to that of the Bowers & Wilkins PI7
Bowers & Wilkins PI7 support AAC, a codec used for Bluetooth audio. It supports 24-bit audio at 250kbps. Because it uses psychoacoustic modeling, it provides better results than other codecs at a similar bit rate.
Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Bowers & Wilkins PI7 will work fine with your MacBook. If you intend on using these with Android you need to pay even closer attention to codec support for if they only have AAC they won't provide the best audio quality possible, ensure that they also support aptX HD, LDAC, or LHDC as well. The Sennheiser Momentum True Wireless 3 support AAC as well.
Designed to be the successor of the MP3 format, AAC generally achieves higher sound quality than MP3 encoders at the same bit rate. The Bowers & Wilkins PI7 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).
Sennheiser Momentum True Wireless 3 support APTX Adaptive as well which means both can adjust the bit rate for different scenarios, such as reducing interference from other devices.
The Bowers & Wilkins PI7 support APTX HD, an audio codec for Bluetooth devices that are developed by Qualcomm. It supports high-quality 24-bit audio (at a bit rate of 576kbps).
The Bowers & Wilkins PI7 have 6 microphones. While the Sennheiser Momentum True Wireless 3 microphones are 6,
equal to that of the Bowers & Wilkins PI7
. More microphones record better sound quality and enable the earbuds to filter out background sounds.
Bowers & Wilkins PI7 use a noise-canceling microphone, these microphones are made to filter out noise from the desired sound. The Sennheiser Momentum True Wireless 3 too have a noise-canceling type of microphone. This is useful in noisy areas.
Bowers & Wilkins PI7 support ambient sound mode, which uses microphones to channel ambient noises to still be heard even while wearing them
The Sennheiser Momentum True Wireless 3 support ambient sound mode as well, it’s useful when you want to listen to music but also be aware of what’s happening around you, for example when you’re having a jog but would still want to hear traffic. The Bowers & Wilkins PI7 have in/on-ear detection, the sensors in the device can detect when removed from your ears .
Sennheiser Momentum True Wireless 3 too support in/on-ear detection, automatically pauses your music, or audiobook when you remove earbuds from your ears saving battery life. If misplaced in a room, or can't easily find them in your bag, the Bowers & Wilkins PI7 support the find earbuds feature.
Bowers & Wilkins PI7 support fast charging. Most often, technologies like Qualcomm’s Quick Charge, are used to reduce the time it takes to charge the earbuds. Also the Sennheiser Momentum True Wireless 3 support fast charging.
This kind is similar to regular charging, only that the battery fills up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in just thirty minutes. Bowers & Wilkins PI7 have a mute function, they have the option to mute/unmute a conversation directly from the earbuds.
The Sennheiser Momentum True Wireless 3 too have the mute function. It means that you unilaterally turn off the device's microphone, but still hear the other party talk. With the Bowers & Wilkins PI7, so you can access the volume control, pause, play, mute, etc whichever functions are supported on the earbuds.
The Sennheiser Momentum True Wireless 3 also have a control panel on them. Bowers & Wilkins PI7 support voice prompts. Automatically receive information through audio messages, say if there is a problem with the connection.
The Sennheiser Momentum True Wireless 3 also have voice prompts meaning the device notifies you if the battery is low, and it's time to recharge the earbuds. The Bowers & Wilkins PI7 come with a special pouch. Carrying earphones without a case, or placing them inside your pockets without a cover may easily damage them.
Sennheiser Momentum True Wireless 3 also have a case included, which offers safe transportation.
