Ingress protection ratings is the rank of protection offered by an enclosure, against solids and water. The letters 'IP' are followed by two values The first value refers to protection against solids such as dust, while the second refers to resistance against liquids (water).
Having a value of IPX4, the Sony WF 1000XM4's rating for solids indicates that no data available to specify a protection rating, and the second value 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 consider a lower weight better for the reason that lighter devices are more comfortable to transport.
For a device to be true wireless it should have no cables connecting any part of the device together, Sony WF 1000XM4 are true wireless for this case since they have no 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, what this means is that Sony WF 1000XM4's speakers deliver sound from separate channels on both left and right sides, creating a richer sound and a better listening experience.
ANC makes use of more advanced technology to actively cancel noise. ANC works when, it studies the sound pattern of incoming noise and after generates a mirror signal to counter it. Simply put, it's like having +1 (noise) and adding -1 (inverted noise) to make 0 thus "diluting" the noise.
Sony WF 1000XM4 have Active Noise Cancellation allowing you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the earbuds volume to outcompete background sounds. Sony WF 1000XM4 stay tightly in place, creating an acoustic seal that reduces background noise well as preventing the earbuds music from leaking out .
Sony WF 1000XM4 driver unit is 6mm in diameter, bigger drivers are more powerful, therefor producing better bass. A driver unit is the component that makes sound in the earbuds, its size determines the loudness of the earbuds.
Sony WF 1000XM4's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio device generates low frequencies that can be heard, and if it makes any changes to the signal on its way through. Sony WF 1000XM4's highest frequency is at 40,000Hz, high-frequency response measures if and how well a particular audio component generates high audible frequencies and if it makes any changes to the signal while at it. SPL, is the level of pressure 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. 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 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.
The battery life of the charging case is given by the manufacturer, and Sony WF 1000XM4's case has a full charge of 16 hours. A charging case with more battery hours enables you to recharge your earbuds on the go several times before recharging the case itself. It requires 1.5 hours to fully charge the Sony WF 1000XM4's battery.
It is highly adivsable to charge fully the battery before using the earbuds when they have been in storage for long periods. Sony WF 1000XM4, the device supports wireless charging. To charge the device, you just put down on a compatible charging pad.
The Sony WF 1000XM4 have a battery level indicator, an indicator alerts you when the device has a low battery. Its lights show 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. Sony WF 1000XM4 have a 10meters distance connecting 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 can provide better results than other codecs at the same bit rate.
Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Sony WF 1000XM4 will work fine with your iPhone.
If you are planning on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well. 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, which provides 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).
Sony WF 1000XM4 have 4 microphones. Sony WF 1000XM4 have a noise-canceling type of microphone, these microphones are intended to reduce background sounds from the desired sound.
Sony WF 1000XM4 support ambient sound mode, which uses microphones to channel ambient sound to still be heard even while wearing the earbuds
Sony WF 1000XM4 support in/on-ear detection, the sensors in the device can detect when they are removed from your ears so that the music is paused. If misplaced in a room, or can't easily find them in your bag, the Sony WF 1000XM4 have a find earbuds feature. Sony WF 1000XM4 support fast charging.
Commonly, technologies like MediaTek’s Pump Express, are used to lower the amount of time it takes to fully charge a device. The Sony WF 1000XM4 have a multipoint of 2 connections, the multipoint feature allows you connect to more than one Bluetooth device and switch between them. Say, you can seemlessly 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 earbuds. With 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.
With voice prompts, you receive information through audio messages, like if there is an issue with the connection. The Sony WF 1000XM4 come with a special case. Carrying earphones openly, or placing them inside your bag without a casing may easily damage them.
