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Jbl Tune Flex Review

Last updated on Aug 18, 2024   9 minute read
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JBL Tune Flex

JBL Tune Flex

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Reasons why you might like the JBL Tune Flex

Overall Score 7.5 Represents average audio ecosystem compatibility score.

  • Ingress Protection (Ip) Rating of IPX4
  • Has Active Noise Cancellation (Noise Control)
  • Battery Life of 8 hours
  • Has Usb Type-C
  • Number Of Microphones of 4 only
  • Has Ambient Sound Mode

IP ratings refer to 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 refers to protection against solids say dust, followed by the one that refers to protection against liquids (water).

Scoring IPX4, the JBL Tune Flex'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 JBL Tune Flex have a weight of 9.6g . We take in account a lower weight better because lighter devices are more comfortable to carry.

True wireless devices have no wires linking any part of the device together, JBL Tune Flex are true wireless for this matter since they have no wires. This is a key distinction as some wireless earbuds have cables connecting the 2 earbuds . JBL Tune Flex are resistant to sweat JBL Tune Flex 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 listens to the sound pattern of incoming noise and then generates a mirror signal to counter it. In simple terms, it's like taking +1 (sound from your surrounding) and producing -1 (inverted noise) to make 0 which results in a reduced level of noise.

JBL Tune Flex have Active Noise Cancellation enabling 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 noise.

JBL Tune Flex stay tightly in place, creating an acoustic covering that tones down your environment noise well as preventing the device sound from leaking out at the same. JBL Tune Flex have a unit size of 12mm in diameter, bigger drivers are more powerful, therefor producing better bass. The driver unit is basically a mini speaker that makes sound in the earbuds, its size dictates the sound made by the earbuds.

The JBL Tune Flex's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio component produces low recognizable frequencies and if it alters the signal on its way through. JBL Tune Flex's highest frequency is at 20,000Hz, high-frequency response shows how well a particular audio component generates high audible frequencies and if it makes any adjustments to the signal on its way through. SPL, is the pressure level of sound, measured in decibels, dB, JBL Tune Flex's measurement is 108dB/mW.

Devices with a higher sound pressure level are generally louder when supplied with any given audio source. The JBL Tune Flex'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.

This is given by the vendor, and JBL Tune Flex's case is said to have a full charge of 24 hours. A charging case with a longer battery life enables you to recharge your earbuds on the go several times before recharging the case itself. It takes 2 hours to fully charge the JBL Tune Flex's battery.

It is recommended to charge fully the battery before using the earbuds when they have been unused for long periods. The JBL Tune Flex have a battery level indicator, an indicator shows you when the device has a low battery. Its lights indicate the charging status of your earbuds and charging case.

The JBL Tune Flex use USB TYPE-C, an industry-standard connector for transmitting both data and power in a single cable. JBL Tune Flex have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that enables data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. The JBL Tune Flex have a 10meters distance to connect via Bluetooth.

JBL Tune Flex 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 the same bit rate.



Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the JBL Tune Flex will work well with your iPad. If you intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well. The JBL Tune Flex have 4 microphones.

The JBL Tune Flex have a noise-canceling type of microphone, these microphones are made to reduce noise from the earbuds' sound. The JBL Tune Flex microphone sensitivity is measured at -38dBV/Pa. The magnitude of the analog or digital output signal from the microphone with its input stimulus is a calculation of its sensitivity.

It's the 'loudness' of the voice that the earbud microphone can pick up. The JBL Tune Flex support ambient sound mode, which uses microphones to channel ambient sound so that they can still be heard even when wearing the earbuds When misplaced in a room, or can't be found in your bag, the JBL Tune Flex have a find earbuds feature. JBL Tune Flex support fast charging.

Most often, technologies like MediaTek’s Pump Express, are used to lower the time it takes to charge a device. JBL Tune Flex support multipoint of 2 connections, the multipoint 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 manually disconnect and reconnect.

JBL Tune Flex have a mute function, they have the option to mute/unmute a conversation directly from the earbuds. The JBL Tune Flex, so you can access the volume control, pause, play, mute, etc whichever features are supported on the device. JBL Tune Flex support voice prompts.

Automatically receive information through audio messages, say if there is an issue with the connection. JBL Tune Flex come with a special case. Carrying earbuds without a case, or placing them inside your pockets without a casing can easily damage them.

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