Ingress protection ratings refer to the rank of protection offered by an enclosure, against dust and liquids. The letters 'IP' are followed by two values The first value of the IP rating refers to protection against solids say dust, followed by the one that 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, 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 best because lighter devices are easier to move with.
Bose SoundSport Free, at 18.2g
weigh less than the Boult Audio Z40 by -21.8g
For a device to be true wireless it should have no wires linking any part of the device together, Boult Audio Z40 are true wireless for this matter since they don't have cables. This is a major distinction as some wireless earbuds have cables linking the two earbuds .
Bose SoundSport Free also is true wireless because it has no wires connecting the 2 earbuds .
Boult Audio Z40 have wingtips, these are reserved for earbuds for workouts and are usually an optional add-on to the separate silicone ear tip for a better 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.
If 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 ideal for use during long-distance running, marathons, cardio sweat workouts , 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, creating a richer sound and a better listening experience.
Both Bose SoundSport Free and Boult Audio Z40 have stereo speakers
Boult Audio Z40 stay well in place, this creates a sound seal that reduces background sounds well as preventing the device music from leaking out at the same. Both Bose SoundSport Free, and Boult Audio Z40 have passive noise reduction which means that both limit ambient noise without using technology to cancel it out. The Boult Audio Z40 have a unit size of 10mm in diameter, bigger drivers are more powerful, and can produce better bass.
A driver unit is basically a mini speaker that makes sound in the device, the unit size corellates with the sound made by the earbuds. Bose SoundSport Free driver unit is 10mm in diameter,
making both devices similar in how loud their sound gets
, as many tend to believe 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 a particular audio device produces low frequencies that can be heard, and if it makes any changes to the signal on its way through. Bose SoundSport Free's lowest frequency is at 20Hz, this implies that
both devices can produce equal bass
Boult Audio Z40's highest frequency is at 20,000Hz, high-frequency response measures if and 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 means 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 commonly given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings. Bose SoundSport Free's battery life is
less than that of Boult Audio Z40 by 5 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.
The battery life of the charging case is given by the manufacturer, and Boult Audio Z40's case has a full charge of 50 hours. A charging case with a longer battery life allows 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 takes 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 for the first time. 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, an industry-standard connector for transmitting both data and power in a single cable. Boult Audio Z40 have Bluetooth version of 5.3, Bluetooth is a wireless technology standard that allows 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. The Boult Audio Z40 have a 10meters distance to connect 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 used for Bluetooth audio.
It supports 24-bit audio at 250kbps. Because it uses psychoacoustic modeling, it provides better results than other codecs at a similar bit rate.
Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Boult Audio Z40 will work fine with your iPad.
If you are planning on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well. 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 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. Boult Audio Z40 support fast charging. Commonly, technologies like MediaTek’s Pump Express, are used to lower the time it takes to fully charge a device.
Bose SoundSport Free support fast charging. It's very similar to regular charging, only that the battery is filling up much faster. For example, with Quick Charge 3.0, the battery can be charged to 50% in just thirty minutes.
The Boult Audio Z40 have a mute function, they support the option to mute/unmute a conversation directly from the device. The Bose SoundSport Free also support this function. It means that you are in position turn off the device's microphone, but still hear the other party talk.
With 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 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 that has followed instruction manuals.
Boult Audio Z40 have voice prompts. Automatically receive information through audio messages, say if there is a problem with the connection. The Bose SoundSport Free too support voice prompts .i.e the device notifies you when the battery is running low, and you need to recharge them.
