IP ratings is the rating of protection offered by an enclosure, against dust and water. In the format of IPXX, 'X' represents a number The first value of the IP rating represents protection against solids such as dust, followed by the one that refers to resistance against liquids (water).
Having a value of 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 prefer a lower weight best because lighter devices are easier to transport.
Bose SoundSport Free, at 18.2g
weigh less than the Boult Audio Z40 by -21.8g
True wireless devices 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 key distinction since wireless earbuds have cables connecting the pair of earbuds together. Bose SoundSport Free also is true wireless since it has no cables linking the 2 earbuds .
Boult Audio Z40 have wingtips, these are reserved for earbuds for workouts and come as an optional add-on to the separate silicone ear tip for a more secure fit.
Bose SoundSport Free too have wingtips, these rest against the triangular fossa and form a secure fit to combat vigorous movement, they come in handy 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 fit for use during 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, what this means is that Boult Audio Z40's 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 tightly in place, creating an acoustic covering that reduces your environment sounds and also prevents the device music from leaking out .
Both of these devices have passive noise reduction this implies that they 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 the component that produces sound in the earbuds, its size dictates the sound produced by 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
, 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 yeah, larger drivers can generate louder sound, but this does not mean that they deliver better quality sound.
Boult Audio Z40's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio device produces low audible frequencies and if it makes any changes to 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
Boult Audio Z40's highest frequency is at 20,000Hz, high-frequency response indicates how well an audio device makes high audible frequencies and if it makes any adjustments to the signal while at it. Bose SoundSport Free's highest frequency is at 20,000Hz, this implies that
both devices can produce equal treble
The 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 usually given by the manufacturer, and with more battery hours, 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
. Every time you recharge your earbuds, 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 vendor, and the Boult Audio Z40's case has a full charge of 50 hours. A charging case with more battery hours allows you to recharge your earbuds on the go many 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 recommended 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 support USB TYPE-C, an industry-standard connector for transmitting both data and power through a single cable. The Boult Audio Z40 have Bluetooth version of 5.3, Bluetooth is a wireless technology standard that allows data transfers between devices placed in range, 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 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. Since 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 fine with your MacBook.
If you are planning 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 result in better sound quality and help the device to filter out noise.
The Boult Audio Z40 have in/on-ear detection, the sensors in the earbuds can detect when they are removed from your ears .
Boult Audio Z40 support fast charging. Commonly, technologies like MediaTek’s Pump Express, are used to lower the amount of time it takes to charge a device. The Bose SoundSport Free too 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 is charged to 50% in 30 minutes. The Boult Audio Z40 have a mute function, they have the option to mute/unmute a conversation directly from the earbuds.
The Bose SoundSport Free too have this function. It means that you can turn off the device's microphone, but you can 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.
The Bose SoundSport Free 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 support voice prompts.
With voice prompts, you receive information via audio messages, like if there is an issue with the connection. The Bose SoundSport Free also support voice prompts .i.e the device notifies you if the battery is running low, and it's time to recharge them.
