Ingress protection ratings is the level of protection offered by an enclosure, against dust and liquids. In the format of IPXX, 'X' represents a number The first value refers to protection against solids say dust, followed by the one that refers to protection against liquids (sweat).
Having a value of IP54, the Momentum True Wireless 4's rating is read as, the first value of 5 denotes that ingress of dust is not totally prevented but dust does not enter in harmful quantities to interfere with the correct operation or impair safety, 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. Compared to the Momentum True Wireless 4, JBL Tune Flex have a rating of IPX4 meaning that
no data available to specify a protection rating
and that of liquids is that,
they both have the same rating against liquids
Momentum True Wireless 4 have a weight of 12.4g . We consider a lower weight better for the reason that lighter devices are easier to transport.
JBL Tune Flex, at 9.6g
are lighter than the Momentum True Wireless 4 with a difference -2.8g
True wireless devices have no wires linking any part of the device together, Momentum True Wireless 4 are true wireless for this case since they have no cables. This is a key distinction as some wireless earbuds have cables connecting the pair of earbuds .
JBL Tune Flex also is true wireless since it doesn't have cables linking the 2 earbuds .
Momentum True Wireless 4 have sweat resistance
JBL Tune Flex's resistance to sweat makes both devices good for use during long-distance running, marathons, training in workout bodysuits, etc
The Momentum True Wireless 4 are both dustproof and water-resistant. Momentum True Wireless 4 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 JBL Tune Flex and Momentum True Wireless 4 have stereo speakers
ANC uses advanced technology to reduce ambient sounds. How it works, it detects and analyzes the sound pattern of incoming noise and after generates a mirror signal to counter it. In simple terms, it's like taking +1 (noise) and adding -1 (inverted noise) to make 0 which results in a reduced level of noise.
Momentum True Wireless 4 have Active Noise Cancellation allowing you to listen at lower levels of volume, causing less ear fatigue since you don't have to crank up the device volume to overcome background sounds. JBL Tune Flex too have ANC which makes either of the devices ideal for plane rides and rush hour commutes. The Momentum True Wireless 4 and JBL Tune Flex work with different noise cancellation modes, pick the setting that suits your commute or that suites your relaxation time.
Momentum True Wireless 4 sit well in place, creating an acoustic covering that tones down your environment sounds and also prevents the device voice audio from leaking out at the same. Both of these devices have passive noise reduction this means that both limit ambient noise instead of actively using ANC to cancel it out. The Momentum True Wireless 4 have a unit size of 7mm in diameter, the bigger the unit the more powerful, therefor producing better bass.
The driver unit is the component that produces sound in the earbuds, its size dictates the loudness of the device. JBL Tune Flex driver unit is 12mm in diameter,
making them have a larger driver unit than that of Momentum True Wireless 4 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 yeah, larger drivers are capable of generating louder sound, but this does not indicate that they produce better quality sound.
Momentum True Wireless 4's lowest frequency is at 5Hz, low-frequency response measures if and how well an audio device produces low audible frequencies and if it makes any changes to the signal on its way through. JBL Tune Flex's lowest frequency is at 20Hz, this implies that
Momentum True Wireless 4 can produce a juicier bass than the JBL Tune Flex
The Momentum True Wireless 4's highest frequency is at 21,000Hz, high-frequency response measures if and how well a particular audio component produces high human frequencies and if it changes to the signal while at it. JBL Tune Flex's highest frequency is at 20,000Hz, this means that
Momentum True Wireless 4 generate a clearer and crispier treble than the JBL Tune Flex
SPL, is the level of pressure of sound, measured in decibels, dB, Momentum True Wireless 4's measurement is 107dB/mW.
Devices with a higher sound pressure level are generally louder when supplied with any given audio source. JBL Tune Flex's sound pressure level measurement is 108dB/mW. How loud something is can be perceived differently by different persons, so we need to have the means to get an objective measurement of sound level expressed in numerical terms.
The Momentum True Wireless 4's battery life is 7.5 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. JBL Tune Flex's battery life is
more than that of Momentum True Wireless 4 by 0.5 hours
. Each time you recharge your earbuds, they get a little less playing time.
The effect is not noticeable at first, but over time, your wireless earbuds will no longer play for long like they used to. This is given by the vendor, and Momentum True Wireless 4's case has a full charge of 22.5 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.
JBL Tune Flex's charging case has a battery life of 24 hours,
more than that of Momentum True Wireless 4 by 1.5 hours
It takes 1.5 hours to fully charge the Momentum True Wireless 4's battery. It is highly adivsable to charge fully the battery before using the earbuds for the first time. JBL Tune Flex takes 2 hours to fully charge the battery,
more than that of Momentum True Wireless 4 by 0.5 hours
Momentum True Wireless 4, the device supports wireless charging.
To charge the device, you just put down on a compatible charging pad. The Momentum True Wireless 4 have a battery level indicator, an indicator shows you when the earbuds has a low battery. The battery indicator lights display the charging status of your device and case.
JBL Tune Flex too have a battery level indicator, charging indicators enable you to determine the charging state of your device, if charged fully, or the battery is running low. The Momentum True Wireless 4 have USB TYPE-C, an industry-standard connector for transmitting both data and power through a single cable. JBL Tune Flex too use USB TYPE-C.
This USB-C plug is part and parcel of most current electronics. The Momentum True Wireless 4 have Bluetooth version of 5.4, Bluetooth is a wireless technology standard that allows data movement between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. JBL Tune Flex has a Bluetooth version of 5.2,
older than that of Momentum True Wireless 4
. Newer versions provide faster data transfers.
The Momentum True Wireless 4 have a 10meters distance connecting via Bluetooth. JBL Tune Flex have a maximum range of 10meters,
equal to that of the Momentum True Wireless 4
Momentum True Wireless 4 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 the same bit rate.
Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Momentum True Wireless 4 will work fine with your iPhone. If you intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.
The JBL Tune Flex 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. The Momentum True Wireless 4 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm.
It has a variable bit rate (between 279kbps and 420kbps).
The Momentum True Wireless 4 have 6 microphones. JBL Tune Flex microphones are 4,
less than that of Momentum True Wireless 4 by 2
. More microphones result in better sound quality and enable the device to filter out noise. Momentum True Wireless 4 have a noise-canceling microphone, these microphones are intended to reduce background sounds from the earbuds' sound.
The JBL Tune Flex too have a noise-canceling microphone. This is useful in noisy environments. Momentum True Wireless 4's highest mic frequency is 10,000Hz, high frequencies are best for recording treble.
The highest mic frequency of a microphone is defined as its upper limiting frequency. The Momentum True Wireless 4's lowest mic frequency is 100Hz, low frequencies are better for recording bass. The lowest mic frequency of a microphone is defined as its lower limiting frequency.
The Momentum True Wireless 4 support ambient sound mode, which uses microphones to channel ambient sound so that they can still be heard even while wearing the earbuds
The JBL Tune Flex support ambient sound mode as well, it’s useful when you want to listen to music while being aware of what’s happening around you, for example when you’re having a jog but still want to be able to hear traffic. Momentum True Wireless 4 support fast charging. Most often, technologies like MediaTek’s Pump Express, are used to reduce the amount of time it takes to fully charge the earbuds.
The JBL Tune Flex too support fast charging. This kind is similar to regular charging, just that the battery fills up much faster. For example, with Quick Charge 3.0, the battery is charged to 50% in just thirty minutes.
Momentum True Wireless 4 support multipoint of 2 connections, the multipoint feature allows you connect 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 JBL Tune Flex have a multipoint count of 2,
equal to that of the Momentum True Wireless 4
. Bluetooth multipoint comes in handy when you can be on one call without missing notifications from another connected device.
Momentum True Wireless 4 have a mute function, they support the option to mute/unmute a conversation directly from the device. The JBL Tune Flex also support the mute function. The mute function means that you unilaterally turn off the device's microphone, but still hear the other party's voice.
The Momentum True Wireless 4, so you can easily access the volume control, pause, play, mute, etc whichever functions are supported on the earbuds. JBL Tune Flex too have a control panel on them. Momentum True Wireless 4 have a warranty period of 2 Years, the period of time that warrant free repair and adjustment services in case of a malfunction occurring under normal use following instruction manuals.
Momentum True Wireless 4 have voice prompts. Automatically receive information via audio messages, say if there is an issue with the connection. JBL Tune Flex too have voice prompts meaning the device notifies you when the battery is running low, and you need to recharge the earbuds.
Momentum True Wireless 4 come with a special pouch. Carrying earbuds without a case, or placing them in your pockets without a casing may easily damage them. JBL Tune Flex too have a travel bag included, which offers safe transportation.
