Ingress protection ratings refer to the level of protection given by a casing, against solids and liquids. The letters 'IP' are followed by two values The first value represents protection against solids such as dust, while the second refers to resistance against liquids (water).
Scoring IPX5, the Boult Audio Z40's rating for solids indicates 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. In comparison to the Boult Audio Z40, Bose SoundSport Free have a rating of IPX4 meaning that
we are not yet certain of their rating with solids (dust)
and that of liquids is that,
Bose SoundSport Free has a lower liquid rating than Boult Audio Z40
Boult Audio Z40 have a weight of 40g . We take in account a lower weight better because lighter devices are more comfortable to carry.
The Bose SoundSport Free, at 18.2g
weigh less than the Boult Audio Z40 by -21.8g
For a device to be true wireless it must have no wires linking any part of the device together, Boult Audio Z40 are true wireless for this case since they have no cables. This is a major difference since wireless earbuds have cables linking the pair of earbuds .
Bose SoundSport Free also is true wireless since it doesn't have wires linking the pair of earbuds .
The Boult Audio Z40 come with wingtips, these are commonly used for workout earbuds and come as an optional add-on to the separate silicone ear tip for a more secure fit. Bose SoundSport Free too have wingtips, by resting against the triangular fossa and form a secure fit to combat vigorous movement, they are best suited for sports and other physical activities.
When used rightly, they secure the earbuds from falling off. Boult Audio Z40 have sweat resistance
Bose SoundSport Free's resistance to sweat makes both devices good 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 separate channels on both left and right sides, this creates a richer sound and a better listening experience.
Both Bose SoundSport Free and Boult Audio Z40 have stereo speakers
Boult Audio Z40 sit well in place, creating a sound covering that reduces background noise while preventing the earbuds sound from leaking out .
Both of these devices have passive noise reduction this means that both reduce ambient noise instead of actively using ANC to cancel it out. The Boult Audio Z40 driver unit is 10mm in diameter, the bigger the unit the more powerful, and can produce better bass. The driver unit is basically a mini speaker that produces sound in the device, its size dictates the loudness of the device.
Bose SoundSport Free driver unit is 10mm in diameter,
making both Bose SoundSport Free, and Boult Audio Z40 similar in how loud their sound can get
, 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 indicate that they produce better quality sound. The Boult Audio Z40's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio device generates low audible frequencies and if it alters the signal while at it.
Bose SoundSport Free's lowest frequency is at 20Hz, this means that
both devices can make sound with equal bass
The Boult Audio Z40's highest frequency is at 20,000Hz, high-frequency response indicates how well an audio device makes high human frequencies and if it makes any changes to the signal on its way through. Bose SoundSport Free's highest frequency is at 20,000Hz, this implies that
both devices can generate equal treble
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 more battery hours, you get to use it for longer and have to charge the device less often.
Bose SoundSport Free's battery life is
less than that of Boult Audio Z40 by 5 hours
. Every time you recharge your device, they get a little less playing time. The effect is barely noticeable at first, but over a few years, your wireless earbuds will have shorter listening time. The battery life of the charging case is given by the vendor, and the Boult Audio Z40's case has a 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. Bose SoundSport Free's charging case has a battery life of 10 hours,
less than that of Boult Audio Z40 by 40 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 in storage for long periods.
Bose SoundSport Free takes 2 hours to fully charge the battery,
more than that of Boult Audio Z40 by 0.5 hours
Boult Audio Z40 use USB TYPE-C, a standard connector for transmitting both data and power in a single cable. The Boult Audio Z40 have Bluetooth version of 5.3, Bluetooth is a wireless technology standard that enables data movement between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Bose SoundSport Free has a Bluetooth version of 4.1,
older than that of Boult Audio Z40
. Newer versions provide faster data transfers.
Boult Audio Z40 have a 10meters distance connecting via Bluetooth. Bose SoundSport Free have a maximum range of 9.1meters,
less than that of Boult Audio Z40 by 0.9meters
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 intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.
The Boult Audio Z40 have 2 microphones. The Bose SoundSport Free microphones are 2,
equal to that of the Boult Audio Z40
. More microphones record better sound quality and enable the device to filter out noise. Boult Audio Z40 have in/on-ear detection, the sensors in the device can detect when they are removed from your ears so that the music is paused.
The Boult Audio Z40 support fast charging. Commonly, technologies like Qualcomm’s Quick Charge, are used to lower the time it takes to fully charge a device. The Bose SoundSport Free support fast charging.
It's very similar to regular charging, only that the battery is filling up much faster. Say, with Quick Charge 3.0, the battery is 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 earbuds.
The Bose SoundSport Free too have the mute function. It means that you are in position turn off the device's microphone, but still hear the other party talk. The Boult Audio Z40, so you can access the volume control, pause, play, mute, etc whichever features are supported on the earbuds.
Bose SoundSport Free 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 following instruction manuals. The Boult Audio Z40 have voice prompts.
Automatically receive information through audio messages, like if there is an issue with the connection. The Bose SoundSport Free too have voice prompts .i.e the device will notify you if the battery is low, and it's time to recharge them.
