Ingress protection ratings refer to the rating of protection offered by an enclosure, against solids and water. In the format of IPXX, 'X' represents a number The first value means protection against solids say dust, while the second refers to resistance against liquids (water).
Scoring IPX5, the Boult Audio Z40's rating is read as, the first value of X denotes that no data available to specify a protection rating, and the second value of 5 means that they can withstand medium pressure jet that's 6.3mm diameter, similar to garden hose from any angle for 3 minutes at a distance of 2.5 to 3 metres. Compared to the Boult Audio Z40, Sennheiser Momentum True Wireless 3 have a rating of IPX4 meaning that
we are not yet certain of their rating with solids (dust)
and that of liquids is that,
Boult Audio Z40 has a higher liquid rating than Sennheiser Momentum True Wireless 3
The Boult Audio Z40 have a weight of 40g . We consider a lower weight better because lighter devices are more comfortable to move with.
Sennheiser Momentum True Wireless 3, at 10.6g
are lighter than the Boult Audio Z40 by -29.4g
For a device to be true wireless it should have no cables connecting any part of the device together, Boult Audio Z40 are true wireless for this case since they don't have wires. This is a key distinction since wireless earbuds have wires connecting the pair of earbuds .
Sennheiser Momentum True Wireless 3 also is true wireless because it has no wires connecting the 2 earbuds together. Boult Audio Z40 have wingtips, these are reserved for workout earbuds and are usually an optional add-on to each silicone ear tip for a more secure fit.
Boult Audio Z40 have sweat resistance
Sennheiser Momentum True Wireless 3's resistance to sweat makes both devices ideal for use during long-distance running, marathons, cardio sweat workouts , etc
The Boult Audio Z40 are both dustproof and water-resistant. Boult Audio Z40 have stereo speakers, devices with stereo speakers deliver sound from separate channels on both left and right sides, creating a richer sound and a better listening experience. The Sennheiser Momentum True Wireless 3 also have stereo speakers
Boult Audio Z40 sit well in place, creating an acoustic seal that tones down background noise well as preventing the device sound from leaking out .
Both of these devices have passive noise reduction which implies that both reduce ambient noise instead of actively using technology to cancel it out.
Boult Audio Z40 have a unit size of 10mm in diameter, bigger drivers are more powerful, therefor producing better bass. A driver unit is basically a mini speaker that produces sound in the earbuds, the unit size corellates with the sound made by the device. Sennheiser Momentum True Wireless 3 driver unit is 7mm in diameter,
which means that they have a smaller driver unit than that of Boult Audio Z40 by 3mm
, a common assumption that driver units of a bigger size automatically produce better sound quality.
However, large drivers usually have difficulty producing high frequencies so it's true that, larger drivers can generate louder sound, but this does not mean that they deliver better quality sound. The Boult Audio Z40's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio component produces low frequencies that can be heard, 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 can produce a juicier bass than the Boult Audio Z40
The Boult Audio Z40's highest frequency is at 20,000Hz, high-frequency response tells how well an audio device makes high recognizable frequencies and if it makes any changes to the signal while at it.
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 Boult Audio Z40
The Boult Audio Z40's battery life is 10 hours, these last longer than 5 hours of listening which is considered average for a single charge. A device's battery life is commonly given by the manufacturer, and with longer battery life, you get to use it for longer and have to charge the device less often. Sennheiser Momentum True Wireless 3's battery life is
less than that of Boult Audio Z40 by 3 hours
. Each time you recharge your device, they get a little less listening time.
The effect is not noticeable at first, but over time, your wireless earbuds will have shorter listening time. The battery life of the charging case is given by the manufacturer, and Boult Audio Z40's case is said to have a full charge of 50 hours. A charging case with a longer battery life 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,
less than that of Boult Audio Z40 by 29 hours
It requires 1.5 hours to fully charge the Boult Audio Z40's battery. It is highly adivsable to charge fully the battery before using the earbuds when they have been unused for extended periods. Sennheiser Momentum True Wireless 3 takes 1.5 hours to fully charge the battery,
equal to that of the Boult Audio Z40
The Boult Audio Z40 use USB TYPE-C, an industry-standard connector for transmitting both data and power through a single cable.
Sennheiser Momentum True Wireless 3 too support USB TYPE-C. This USB-C plug is part and parcel of most current electronics. The Boult Audio Z40 have Bluetooth version of 5.3, Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves.
Sennheiser Momentum True Wireless 3 has a Bluetooth version of 5.2,
older than that of Boult Audio Z40
. Newer versions provide faster data transfers. The Boult Audio Z40 have a 10meters distance connecting via Bluetooth. Sennheiser Momentum True Wireless 3 have a maximum range of 10meters,
equal to that of the Boult Audio Z40
Boult Audio Z40 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.
Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Boult Audio Z40 will work well with your iPad.
If you are planning on using these with Android , 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 Boult Audio Z40 have 2 microphones. While the Sennheiser Momentum True Wireless 3 microphones are 6,
more than that of Boult Audio Z40 by 4
. More microphones record better sound quality and enable the device to filter out noise. Boult Audio Z40 support in/on-ear detection, the sensors in the device can detect when removed from your ears .
The Sennheiser Momentum True Wireless 3 support in/on-ear detection, automatically pauses your music, or audiobook when you remove earbuds from your ears improving your listening experience.
Boult Audio Z40 support fast charging. Commonly, technologies like Qualcomm’s Quick Charge, are used to lower the time it takes to fully charge the earbuds. Also the Sennheiser Momentum True Wireless 3 support fast charging.
This kind is similar to regular charging, just that the battery is filling up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in just thirty minutes. Boult Audio Z40 have a mute function, they support the feature to mute/unmute a conversation directly from the device.
The Sennheiser Momentum True Wireless 3 also have this function. It means that you can turn off the device's microphone, but you can still hear the other party's voice. The Boult Audio Z40, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the device.
The Sennheiser Momentum True Wireless 3 too have a control panel on them. The Boult Audio Z40 have a warranty period of 1 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. The Boult Audio Z40 support voice prompts.
Automatically receive information through audio messages, like if there is an issue with the connection. Sennheiser Momentum True Wireless 3 also support voice prompts .i.e the earbuds notifies you if the battery is running low, and it's time to recharge the device.
