IP ratings refer to the level of protection given by an enclosure, against dust and water. The letters 'IP' are followed by two values The first value of the IP rating means protection against solids such as dust, while the second refers to resistance against liquids (sweat).
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 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. In comparison to the Boult Audio Z40, Marshall Minor III 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 Marshall Minor III
Boult Audio Z40 have a weight of 40g . We consider a lower weight better because lighter devices are easier to carry.
The Marshall Minor III, at 8g
weigh less than the Boult Audio Z40 with a difference -32g
For a device to be true wireless it must 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 linking the 2 earbuds together. Marshall Minor III also is true wireless because it has no wires connecting the two earbuds together.
Boult Audio Z40 have wingtips, these are reserved for earbuds for workouts and come as an optional add-on to each silicone ear tip for a more secure fit. Boult Audio Z40 have sweat resistance
Marshall Minor III's resistance to sweat makes both devices ideal for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc
Boult Audio Z40 are both dustproof and water-resistant. Boult Audio Z40 have stereo speakers, devices with stereo speakers deliver sound from independent channels on both left and right sides, this creates a richer sound and a better listening experience.
The Marshall Minor III also have stereo speakers
Boult Audio Z40 sit well in place, creating an acoustic seal that reduces your environment sounds while preventing the earbuds sound from leaking out .
The Boult Audio Z40 have a unit size of 10mm in diameter, the bigger the unit the more powerful, therefor producing better bass. A driver unit is the component that makes sound in the device, its size corellates with the loudness of the earbuds. Marshall Minor III driver unit is 12mm in diameter,
making them have a larger driver unit than that of Boult Audio Z40 by 2mm
, 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 it's true that, larger drivers are capable of generating louder sound, but this does not indicate that they produce better quality sound. The Boult Audio Z40's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio component generates low audible frequencies and if it makes any changes to the signal while at it. Marshall Minor III's lowest frequency is at 20Hz, this implies that
both devices can produce equal bass
The Boult Audio Z40's highest frequency is at 20,000Hz, high-frequency response measures if and how well an audio component makes high recognizable frequencies and if it adjustments to the signal while at it.
Marshall Minor III's highest frequency is at 20,000Hz, this implies that
both devices produce equal treble
Boult Audio Z40's battery life is 10 hours, these last longer 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. Marshall Minor III's battery life is
less than that of Boult Audio Z40 by 5 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 have shorter listening time. The battery life of the charging case is given by the manufacturer, and the Boult Audio Z40's case is said to have a full 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.
Marshall Minor III's charging case has a battery life of 25 hours,
less than that of Boult Audio Z40 by 25 hours
It takes 1.5 hours to fully charge the Boult Audio Z40's battery. It is recommended to fully charge the battery before using the earbuds for the first time. Marshall Minor III takes 1.5 hours to fully charge the battery,
equal to that of the Boult Audio Z40
Boult Audio Z40 have USB TYPE-C, a standard connector for transmitting both data and power in a single cable.
Marshall Minor III too have USB TYPE-C. This USB-C plug comes along with most current electronics. The Boult Audio Z40 have Bluetooth version of 5.3, Bluetooth is a wireless technology standard that allows data movement between devices placed in range, using short-wavelength, ultra-high frequency radio waves.
Marshall Minor III 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. Marshall Minor III 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. Since it uses psychoacoustic modeling, it can provide better results than other codecs at the same bit rate.
Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Boult Audio Z40 will work well with your iPhone.
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 Boult Audio Z40 have 2 microphones. The Marshall Minor III microphones are 2,
equal to that of the Boult Audio Z40
. More microphones result in better sound quality and help the device to filter out noise.
The Boult Audio Z40 support in/on-ear detection, the sensors in the earbuds can detect when removed from your ears so that the music is paused. The Marshall Minor III support in/on-ear detection, automatically pauses your music, or audiobook when you remove earbuds from your ears saving battery life. The Boult Audio Z40 support fast charging.
Most often, technologies like MediaTek’s Pump Express, are used to lower the amount of time it takes to fully charge a device. Also the Marshall Minor III too support fast charging. It's very similar to regular charging, only that the battery fills up much faster.
Say, with Quick Charge 3.0, the battery is charged to 50% in just 30 minutes. Boult Audio Z40 have a mute function, they support the option to mute/unmute a conversation directly from the device. The Marshall Minor III also have this function.
The mute function means that you unilaterally turn off the device's microphone, but you can 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. Marshall Minor III too 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. Boult Audio Z40 have voice prompts. Automatically receive information via audio messages, like if there is a problem with the connection.
Marshall Minor III also support voice prompts .i.e the earbuds notifies you if the battery is low, and you need to recharge them.
