Ingress protection ratings is the rank of protection offered by a casing, against solids and water. The letters 'IP' are followed by two values The first value refers to protection against solids such as dust, followed by the one that refers to protection against liquids (water).
Scoring IP54, the Momentum True Wireless 4's rating is read as, the first number of 5 denotes 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 Momentum True Wireless 4, Bowers & Wilkins PI7 have a rating of IP54 meaning that
they both have the same rating against dust
and that of liquids is that,
they both have the same rating against liquids
Momentum True Wireless 4 have a weight of 12.4g . We prefer a lower weight best for the reason that lighter devices are more comfortable to transport.
Bowers & Wilkins PI7, at 50g
are heavier than the Momentum True Wireless 4 by of 37.6g
For a device to be true wireless it should have no wires connecting any part of the device together, Momentum True Wireless 4 are true wireless for this case since they have no wires. This is a key difference as some wireless earbuds have cables linking the 2 earbuds .
Bowers & Wilkins PI7 also is true wireless since it has no wires linking the pair of earbuds together. Momentum True Wireless 4 have sweat resistance
The Momentum True Wireless 4 are both dustproof and water-resistant.
Momentum True Wireless 4 have stereo speakers, devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better listening experience. Both Bowers & Wilkins PI7 and Momentum True Wireless 4 have stereo speakers
ANC makes use of more advanced kind of tech to actively cancel noise. ANC works when, it studies the sound pattern outside and inside the earbud and then generates a mirror signal to counter it.
Simply put, it's like taking +1 (noise) then producing -1 (inverted noise) to make 0 hence "diluting" the noise.
The Momentum True Wireless 4 have Active Noise Cancellation allowing you to listen at lower volume levels, good for your ears since you don't need to crank up the earbuds volume to outcompete background sounds. The Bowers & Wilkins PI7 too have ANC making either of the devices ideal for flights and rush hour commutes.
Each operate with different noise cancellation modes, pick the noise cancellation type that you prefer for commute or that suites your relaxation time. The Momentum True Wireless 4 stay tightly in place, this creates a sound covering that tones down background noise and also prevents the device sound from leaking out .
Both of these devices have passive noise reduction which implies that both limit ambient noise without using ANC to cancel it out. The Momentum True Wireless 4 driver unit is 7mm in diameter, the bigger the unit the more powerful, and can produce better bass.
A driver unit is basically a mini speaker that produces sound in the device, the unit size determines the sound made by the earbuds. Bowers & Wilkins PI7 driver unit is 9.2mm in diameter,
making them have a larger driver unit than that of Momentum True Wireless 4 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 yes, larger drivers can generate louder sound, but this does not imply that they deliver better quality sound.
Momentum True Wireless 4's lowest frequency is at 5Hz, low-frequency response measures if and how well a particular audio component generates low recognizable frequencies and if it alters the signal on its way through. Bowers & Wilkins PI7's lowest frequency is at 10Hz, this implies that
Momentum True Wireless 4 can make sound with a juicier bass than the Bowers & Wilkins PI7
The Momentum True Wireless 4's highest frequency is at 21,000Hz, high-frequency response shows how well a particular audio component produces high audible frequencies and if it makes any adjustments to the signal while at it. Bowers & Wilkins PI7's highest frequency is at 20,000Hz, this implies that
Momentum True Wireless 4 can produce a clearer and crispier treble than the Bowers & Wilkins PI7
The sound pressure level, is the pressure level of sound, in decibels, dB, Momentum True Wireless 4's measurement is 107dB/mW.
Devices with a higher sound pressure level are generally louder when supplied with any given audio source. The Momentum True Wireless 4's battery life is 7.5 hours, these last longer than 5 hours of listening which is considered average before recharge. A device's battery life is usually given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings.
Bowers & Wilkins PI7's battery life is
less than that of Momentum True Wireless 4 by 3 hours
. Each time you recharge your earbuds, they get a little less listening time. The effect is barely noticeable at first, but over time, your wireless earbuds will no longer play for long like they used to. This is given by the vendor, and the Momentum True Wireless 4's case is said to have a charge of 22.5 hours.
A charging case with a longer battery life enables you to recharge your earbuds on the go many times before having to recharge the case itself. Bowers & Wilkins PI7's charging case has a battery life of 18 hours,
less than that of Momentum True Wireless 4 by 4.5 hours
It takes 1.5 hours to fully charge the Momentum True Wireless 4's battery. It is highly adivsable to fully charge the battery before using the earbuds when they have been unused for extended periods.
Bowers & Wilkins PI7 takes 3 hours to fully charge the battery,
more than that of Momentum True Wireless 4 by 1.5 hours
Momentum True Wireless 4, the device supports wireless charging. To charge the earbuds, you simply put down on a supported charging pad. Bowers & Wilkins PI7 also support wireless charging, always look out for the charging standard of a device.
Momentum True Wireless 4 have a battery level indicator, an indicator alerts you when the earbuds has a low battery. Its lights show the charging status of your device and charging case. Bowers & Wilkins PI7 too have a battery level indicator, charging indicators allow you to determine the charging state of your device, whether fully charged, or having a low battery.
Momentum True Wireless 4 support USB TYPE-C, an industry-standard connector for transmitting both data and power through a single cable. Bowers & Wilkins PI7 too support USB TYPE-C. This USB-C plug comes along with most current electronics.
The Momentum True Wireless 4 have Bluetooth version of 5.4, Bluetooth is a wireless technology standard that allows data movement between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Bowers & Wilkins PI7 has a Bluetooth version of 5,
older than that of Momentum True Wireless 4
. Newer versions provide faster data transfers. The Momentum True Wireless 4 have a 10meters distance to connect via Bluetooth.
Bowers & Wilkins PI7 have a maximum range of 10meters,
equal to that of the Momentum True Wireless 4
Momentum True Wireless 4 support AAC, a codec that is used for Bluetooth audio. It supports 24-bit audio at 250kbps. Because it uses psychoacoustic modeling, it provides better results than other codecs at the same bit rate.
Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Momentum True Wireless 4 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 Bowers & Wilkins PI7 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. Momentum True Wireless 4 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).
Bowers & Wilkins PI7 support APTX Adaptive as well which means both can adjust the bit rate for different scenarios, such as reducing interference from other devices.
Momentum True Wireless 4 have 6 microphones. The Bowers & Wilkins PI7 microphones are 6,
equal to that of the Momentum True Wireless 4
. More microphones result in better sound quality and enable the earbuds to filter out noise. Momentum True Wireless 4 use a noise-canceling type of microphone, these microphones are designed to reduce noise from the earbuds' sound.
The Bowers & Wilkins PI7 too have a noise-canceling type of microphone. Especially useful in noisy environments. Momentum True Wireless 4's highest mic frequency is 10,000Hz, high frequencies are better for picking up treble.
The highest mic frequency of a microphone is defined as its upper limiting frequency. The Momentum True Wireless 4's lowest mic frequency is 100Hz, low frequencies are better for recording bass. The lowest mic frequency of a microphone is defined as its lower limiting frequency.
Momentum True Wireless 4 support ambient sound mode, which uses microphones to pass through ambient noises to still be heard even while wearing them
The Bowers & Wilkins PI7 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 run but still want to be able to hear traffic. Momentum True Wireless 4 support fast charging. Most often, technologies like MediaTek’s Pump Express, are used to lower the time it takes to charge the earbuds.
Also the Bowers & Wilkins PI7 support fast charging. This kind is similar to regular charging, only that the battery fills up much faster. For example, with Quick Charge 3.0, the battery is charged to 50% in 30 minutes.
Momentum True Wireless 4 have a multipoint of 2 connections, the multipoint feature allows you to link to more than one Bluetooth device and switch between them. For example, you can seemlessly switch calls from one device to another without having to manually disconnect and reconnect. The Momentum True Wireless 4 have a mute function, they have the feature to mute/unmute a conversation directly from the earbuds.
The Bowers & Wilkins PI7 too have this function. It means that you unilaterally turn off the device's microphone, but still hear the other party's voice. The Momentum True Wireless 4, so you can easily access the volume control, pause, play, mute, etc whichever functions are supported on the earbuds.
Bowers & Wilkins PI7 too have a control panel on them. Momentum True Wireless 4 have a warranty period of 2 Years, the period of time that warrant free repair and adjustment services in case of a malfunction occurring under normal use that has followed instruction manuals. Momentum True Wireless 4 support voice prompts.
With voice prompts, you receive information via audio messages, like if there is a problem with the connection. The Bowers & Wilkins PI7 too support voice prompts .i.e the earbuds notifies you if the battery is low, and you need to recharge them. Momentum True Wireless 4 come with a special pouch.
Carrying earbuds without a case, or placing them inside your pockets without a cover can easily damage them. Bowers & Wilkins PI7 also have a case included, which is useful for safe transportation.
