Ingress protection ratings is the level of protection given by an enclosure, against solids and liquids. 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 protection against liquids (water).
Scoring IPX5, the Boult Audio Z40's rating is read as, the first number of X denotes that no data available to specify a protection rating, and the second number 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. Compared to the Boult Audio Z40, Sony LinkBuds S 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 Sony LinkBuds S
The Boult Audio Z40 have a weight of 40g . We consider a lower weight best for the reason that lighter devices are easier to move with.
The Sony LinkBuds S, at 9.6g
weigh less than the Boult Audio Z40 with a difference -30.4g
True wireless devices have no cables linking any part of the device together, Boult Audio Z40 are true wireless for this matter since they don't have wires. This is a key distinction as some wireless earbuds have wires connecting the two earbuds .
Sony LinkBuds S also is true wireless because it has no cables linking the two earbuds together. Boult Audio Z40 have wingtips, these are reserved for earbuds for workouts and are usually an optional add-on to each silicone ear tip for a more secure fit.
Boult Audio Z40 have sweat resistance
Sony LinkBuds S's resistance to sweat makes both devices fit 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, creating a richer sound and a better listening experience. Both Sony LinkBuds S and Boult Audio Z40 have stereo speakers
Boult Audio Z40 stay tightly in place, this creates a sound covering that tones down your environment noise well as preventing the earbuds sound from leaking out .
Both Sony LinkBuds S, and Boult Audio Z40 have passive noise reduction this implies that they limit ambient noise instead of actively using technology to cancel it out.
The Boult Audio Z40 have a unit size of 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, its size dictates the loudness of the earbuds. Sony LinkBuds S driver unit is 5mm in diameter,
which means that they have a smaller driver unit than that of Boult Audio Z40 by 5mm
, 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 it's true that, larger drivers are capable of generating louder sound, but this does not mean that they produce 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 recognizable frequencies and if it makes any changes to the signal while at it. Sony LinkBuds S'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 indicates how well an audio component produces high audible frequencies and if it adjustments to the signal on its way through.
Sony LinkBuds S's highest frequency is at 40,000Hz, this means that
Sony LinkBuds S 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 before recharge. A device's battery life is commonly given by the manufacturer, and with more battery hours, you get to use it for longer and have to charge the device less often. Sony LinkBuds S's battery life is
less than that of Boult Audio Z40 by 4 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 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 many times before recharging the case itself.
Sony LinkBuds S's charging case has a battery life of 14 hours,
less than that of Boult Audio Z40 by 36 hours
It requires 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. Sony LinkBuds S takes 2 hours to fully charge the battery,
more than that of Boult Audio Z40 by 0.5 hours
Boult Audio Z40 have USB TYPE-C, a standard connector for transmitting both data and power through a single cable.
Sony LinkBuds S too support USB TYPE-C. This USB-C plug is part and parcel of most current laptops, phones, and tablets. 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.
Sony LinkBuds S 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 to connect via Bluetooth. Sony LinkBuds S have a maximum range of 10meters,
equal to that of the Boult Audio Z40
Boult Audio Z40 support AAC, a codec used for Bluetooth audio.
It supports 24-bit audio at 250kbps. Since it uses psychoacoustic modeling, it provides 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 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 Sony LinkBuds S 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. Sony LinkBuds S microphones are 6,
more than that of Boult Audio Z40 by 4
. More microphones result in better sound quality and help the device 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 so that the music is paused.
The Sony LinkBuds S 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. Usually, technologies like MediaTek’s Pump Express, are used to reduce the amount of time it takes to charge the earbuds.
The Sony LinkBuds S support fast charging. This kind is 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.
Boult Audio Z40 have a mute function, they support the option to mute/unmute a conversation directly from the earbuds. The Sony LinkBuds S too have this function. The mute function means that you are in position turn off the device's microphone, but still hear the other party's voice.
The Boult Audio Z40, so you can easily access the volume control, pause, play, mute, etc whichever functions are supported on the earbuds. The Sony LinkBuds S 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 have voice prompts. Automatically receive information through audio messages, like if there is a problem with the connection. Sony LinkBuds S too have voice prompts .i.e the earbuds notifies you when the battery is low, and it's time to recharge the earbuds.
