IP ratings refer to the level of protection given by an enclosure, against dust and liquids. The letters 'IP' are followed by two values The first value of the IP rating means protection against solids say dust, followed by the one that refers to resistance against liquids (water).
Scoring IPX4, the Sony WF 1000XM4's rating is read as, the first value of X denotes that no data available to specify a protection rating, and the second number of 4 means that they can withstand low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes. The Sony WF 1000XM4 have a weight of 7.1g . We take in account a lower weight better because lighter devices are more comfortable to carry.
For a device to be true wireless it should have no wires linking any part of the device together, Sony WF 1000XM4 are true wireless for this case since they don't have cables. This is an important difference since wireless earbuds have wires linking the two earbuds together. Sony WF 1000XM4 have sweat resistance
Sony WF 1000XM4 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.
ANC utilises more advanced technology to reduce unwanted ambient sounds. ANC works when, it detects and analyzes the sound pattern outside and inside the earbud and then inverts the soundwaves to cancel it out. Simply put, it's like having +1 (sound from your surrounding) and producing -1 (inverted noise) giving zero therefore "diluting" the noise.
Sony WF 1000XM4 have ANC enabling you to listen at lower volume levels, good for your ears as you don't need to crank up the earbuds volume to overcome background sounds. The Sony WF 1000XM4 stay well in place, creating a sound seal that reduces background noise and also prevents the device music from leaking out at the same. The Sony WF 1000XM4 have a unit size of 6mm in diameter, bigger drivers are more powerful, and can produce better bass.
The driver unit is the component that produces sound in the device, its size corellates with the sound produced by the device. Sony WF 1000XM4's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio component produces low audible frequencies and if it makes any changes to the signal on its way through. The Sony WF 1000XM4's highest frequency is at 40,000Hz, high-frequency response tells how well a particular audio component generates high recognizable frequencies and if it makes any adjustments to the signal on its way through.
SPL, is the pressure level of sound, in decibels, dB, Sony WF 1000XM4's measurement is 105dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source. The Sony WF 1000XM4's battery life is 8 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 longer battery life, you get to use it for longer and requires fewer chargings. The battery life of the charging case is given by the manufacturer, and the Sony WF 1000XM4's case is said to have a charge of 16 hours. A charging case with a longer battery life allows you to recharge your earbuds on the go many times before having to recharge the case itself.
It requires 1.5 hours to fully charge the Sony WF 1000XM4's battery. It is recommended to charge fully the battery before using the earbuds when they have been in storage for extended periods. The Sony WF 1000XM4, the device supports wireless charging.
To charge the device, you simply place down on a compatible charging pad. The Sony WF 1000XM4 have a battery level indicator, an indicator shows you when the earbuds has a low battery. The battery indicator lights indicate the charging state of your device and charging case.
The Sony WF 1000XM4 support USB TYPE-C, a standard connector for transmitting both data and power in a single cable. Sony WF 1000XM4 have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that enables data movement between devices placed in range, using short-wavelength, ultra-high frequency radio waves. The Sony WF 1000XM4 have a 10meters distance to connect via Bluetooth.
Sony WF 1000XM4 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 Sony WF 1000XM4 will work fine with your MacBook. 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 WF 1000XM4 support LDAC, a codec developed by Sony
which allows streaming high-resolution audio over Bluetooth connections at up to 990 kbps at 32 bit/96 kHz.
It can reach a high bitrate of 990kbps, providing high-resolution audio. The Sony WF 1000XM4 support APTX HD, an audio codec for Bluetooth devices that are developed by Qualcomm. It supports high-quality 24-bit audio (at a bit rate of 576kbps).
The Sony WF 1000XM4 have 4 microphones.
Sony WF 1000XM4 use a noise-canceling microphone, these microphones are designed to filter out background sounds from the desired sound. The Sony WF 1000XM4 support ambient sound mode, which uses microphones to channel ambient noises so that they can still be heard even when wearing them
The Sony WF 1000XM4 support in/on-ear detection, the sensors in the earbuds can detect when they are removed from your ears .
When misplaced in a room, or can't easily find them in your bag, the Sony WF 1000XM4 have a find earbuds feature. The Sony WF 1000XM4 support fast charging.
Commonly, technologies like MediaTek’s Pump Express, are used to reduce the time it takes to charge the earbuds. Sony WF 1000XM4 have a multipoint of 2 connections, this feature allows you to link to more than one Bluetooth device and switch between them. Say, you can switch calls from one device to another without having to manually disconnect and reconnect.
The Sony WF 1000XM4 have a mute function, they have the option to mute/unmute a conversation directly from the device. The Sony WF 1000XM4, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the earbuds. The Sony WF 1000XM4 have voice prompts.
Automatically receive information through audio messages, like if there is an issue with the connection. Sony WF 1000XM4 come with their own special pouch. Carrying earbuds openly, or putting them inside your bag without a casing can easily put them at risk of getting damaged.
