IP ratings refer to the rank of protection given by a casing, against dust and water. The letters 'IP' are followed by two values The first value of the IP rating represents protection against solids such as dust, while the second refers to resistance against liquids (sweat).
Having a value of IPX5, the Boult Audio Z40's rating for solids indicates that no data available to specify a protection rating, and of liquids 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 prefer a lower weight better for the reason that lighter devices are easier to move with.
The Sennheiser Momentum True Wireless 3, at 10.6g
weigh less than the Boult Audio Z40 with a difference -29.4g
True wireless devices have no cables connecting any part of the device together, Boult Audio Z40 are true wireless for this case since they have no wires. This is a major difference as some wireless earbuds have wires connecting the pair of earbuds .
Sennheiser Momentum True Wireless 3 also is true wireless since it doesn't have wires connecting the pair of earbuds .
The Boult Audio Z40 come with wingtips, these are reserved for workout earbuds and are usually an optional add-on to the separate silicone ear tip for a better fit. Boult Audio Z40 are resistant to sweat
Sennheiser Momentum True Wireless 3's resistance to sweat makes both devices good for use while doing sports such as long-distance running, marathons, training in workout bodysuits, 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. Both Sennheiser Momentum True Wireless 3 and Boult Audio Z40 have stereo speakers
Boult Audio Z40 stay tightly in place, this creates an acoustic seal that tones down background sounds and also prevents the device voice audio from leaking out .
Both of these devices have passive noise reduction which implies that they limit ambient noise without using technology to cancel it out. Boult Audio Z40 driver unit is 10mm in diameter, the bigger the unit the 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 loudness of the earbuds. Sennheiser Momentum True Wireless 3 driver unit is 7mm in diameter,
which implies that they have a smaller driver unit than that of Boult Audio Z40 by 3mm
, many people have a misconception that driver units of a bigger size automatically produce better sound quality.
However, large drivers usually have difficulty producing high frequencies so yes, larger drivers are capable of generating 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 measures if and how well a particular audio device produces low recognizable frequencies and if it alters 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 produce a juicier bass than the Boult Audio Z40
The Boult Audio Z40's highest frequency is at 20,000Hz, high-frequency response shows how well a particular audio component generates high recognizable frequencies and if it 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 produce 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 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 a few years, your wireless earbuds will have shorter listening time.
This is given by the manufacturer, and the Boult Audio Z40's case is said to have a charge of 50 hours. A charging case with more battery hours enables you to recharge your earbuds on the go multiple times before having to recharge 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 takes 1.5 hours to fully charge the Boult Audio Z40's battery.
It is highly adivsable to fully charge the battery before using the earbuds for the first time. Sennheiser Momentum True Wireless 3 takes 1.5 hours to fully charge the battery,
equal to that of the Boult Audio Z40
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 have USB TYPE-C.
This USB-C plug comes along with most current laptops, phones, and tablets. 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.
Boult Audio Z40 have a 10meters distance to connect 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 can provide better results than other codecs at a similar bit rate.
Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Boult Audio Z40 will work well with your MacBook. If you are planning 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. Boult Audio Z40 have 2 microphones.
Sennheiser Momentum True Wireless 3 microphones are 6,
more than that of Boult Audio Z40 by 4
. More microphones result in better sound quality and help the earbuds to filter out background sounds. The Boult Audio Z40 have in/on-ear detection, the sensors in the device can detect when they are removed from your ears .
The 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. Boult Audio Z40 support fast charging.
Usually, technologies like MediaTek’s Pump Express, are used to reduce the amount of time it takes to fully charge a device. The Sennheiser Momentum True Wireless 3 too support fast charging. It's very similar to regular charging, just that the battery fills up much faster.
For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes. The Boult Audio Z40 have a mute function, they have the feature to mute/unmute a conversation directly from the device. The Sennheiser Momentum True Wireless 3 too support this function.
It means that you unilaterally turn off the earbuds' microphone, but still hear the other party talk. The Boult Audio Z40, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the earbuds. The Sennheiser Momentum True Wireless 3 also have a control panel on them.
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 following instruction manuals. The Boult Audio Z40 support voice prompts. Automatically receive information via audio messages, say if there is a problem with the connection.
Sennheiser Momentum True Wireless 3 also support voice prompts meaning the device notifies you if the battery is low, and you need to recharge them.
