Devialet Gemini 2 Vs. Jbl Reflect Aero Tws Review In Detail

Ingress Protection (Ip) Rating

Devialet Gemini 2 IPX4

JBL Reflect Aero TWS IP68

IP ratings is the rating of protection offered by a casing, against dust and liquids. In the format of IPXX, 'X' represents a number The first value represents protection against solids such as dust, followed by the one that refers to resistance against liquids (sweat).

Having a value of IPX4, the Devialet Gemini 2's rating for solids indicates 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.

In comparison to the Devialet Gemini 2, JBL Reflect Aero TWS have a rating of IP68 meaning that they are completely dust proof and that of liquids is that, Devialet Gemini 2 has a lower liquid rating than JBL Reflect Aero TWS

Weight

Devialet Gemini 2 12g

JBL Reflect Aero TWS 13g

Devialet Gemini 2 have a weight of 12g . We take in account a lower weight better because lighter devices are more comfortable to carry.

JBL Reflect Aero TWS, at 13g weigh more than the Devialet Gemini 2 with a difference of 1g

Has No Wires Or Cables

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

For a device to be true wireless it should have no wires connecting any part of the device together, Devialet Gemini 2 are true wireless for this matter since they don't have wires. This is a major difference since wireless earbuds have wires linking the pair of earbuds together.

JBL Reflect Aero TWS also is true wireless since it has no wires linking the 2 earbuds together.

Wingtips Included

Devialet Gemini 2 ✗

JBL Reflect Aero TWS ✓

JBL Reflect Aero TWS have wingtips, these are reserved for workout earbuds and are usually an optional add-on to the separate silicone ear tip for a more secure fit.

Sweat Resistance

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

Devialet Gemini 2 are resistant to sweat

JBL Reflect Aero TWS's resistance to sweat makes both devices ideal for use during long-distance running, marathons, cardio sweat workouts , etc

Is Dust Proof And Water-Resistant

Devialet Gemini 2 ✗

JBL Reflect Aero TWS ✓

The JBL Reflect Aero TWS are both dustproof and water-resistant.

Has Stereo Speakers

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

Devialet Gemini 2 have stereo speakers, what this means is that Devialet Gemini 2's speakers deliver sound from independent channels on both left and right sides, this creates a richer sound and a better listening experience.

Both JBL Reflect Aero TWS and Devialet Gemini 2 have stereo speakers

Has Active Noise Cancellation (Noise Control)

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

Active noise cancellation uses more advanced technology to reduce ambient sounds. How it works, it studies the sound pattern of incoming noise and after inverts the soundwaves to counter it. Simply put, it's like having +1 (noise) and adding -1 (inverted noise) to make zero hence "diluting" the noise.

The Devialet Gemini 2 have ANC enabling you to listen at lower levels of volume, good for your ears since you don't need to crank up the earbuds volume to overcome background sounds.

The JBL Reflect Aero TWS too have ANC which makes both devices ideal for plane rides and morning travels. The Devialet Gemini 2 and JBL Reflect Aero TWS operate with different noise cancellation settings, pick the setting that you prefer for commute or that suites your chill time.

Has Passive Noise Reduction

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

The Devialet Gemini 2 stay well in place, creating a sound seal that reduces background noise while preventing the earbuds music from leaking out at the same.

Both JBL Reflect Aero TWS, and Devialet Gemini 2 have passive noise reduction which implies that both tone down ambient noise instead of actively using ANC to cancel it out.

Driver Unit Size

Devialet Gemini 2 10mm

JBL Reflect Aero TWS 6.8mm

The Devialet Gemini 2 driver unit is 10mm in diameter, the bigger the unit the more powerful, and can produce better bass. A driver unit is the component that makes sound in the device, its size determines the sound made by the device.

JBL Reflect Aero TWS driver unit is 6.8mm in diameter, which implies that they have a smaller driver unit than that of Devialet Gemini 2 by 3.2mm , as many tend to believe that driver units of a bigger size automatically produce better sound quality.

However, large drivers usually have difficulty producing high frequencies so it's true that, larger drivers are capable of generating louder sound, but this does not imply that they deliver better quality sound.

Lowest Frequency

Devialet Gemini 2 5Hz

JBL Reflect Aero TWS 20Hz

Devialet Gemini 2's lowest frequency is at 5Hz, 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 Reflect Aero TWS's lowest frequency is at 20Hz, this means that Devialet Gemini 2 can produce a juicier bass than the JBL Reflect Aero TWS

Highest Frequency

Devialet Gemini 2 20,000Hz

JBL Reflect Aero TWS 20,000Hz

Devialet Gemini 2's highest frequency is at 20,000Hz, high-frequency response tells how well a particular audio device produces high recognizable frequencies and if it adjustments to the signal on its way through.

JBL Reflect Aero TWS's highest frequency is at 20,000Hz, this means that both devices can produce equal treble

Sound Pressure Level

Devialet Gemini 2 120dB/mW

JBL Reflect Aero TWS 99dB/mW

The sound pressure level, is the pressure level of sound, in decibels, dB, Devialet Gemini 2's measurement is 120dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

JBL Reflect Aero TWS's sound pressure level measurement is 99dB/mW. The sound pressure level, something is can be considered differently by different people, so we need to have a way of getting a standard measurement of sound level expressed in numerical terms.

Sennheiser Momentum True Wireless 4 Vs. Devialet Gemini 2 Review

Battery Life

Devialet Gemini 2 5hours

JBL Reflect Aero TWS 8hours

Devialet Gemini 2's battery life is 5 hours, these last less than 5 hours of listening which is considered average before recharge. A device's battery life is given by the manufacturer, and with longer battery life, you get to use it for longer and have to charge the device less often.

JBL Reflect Aero TWS's battery life is more than that of Devialet Gemini 2 by 3 hours . Every time you recharge your earbuds, they get a little less listening time. The effect is barely noticeable at first, but over time, your wireless earbuds will no longer play for long like they used to.

Battery Life Of Charging Case

Devialet Gemini 2 17hours

JBL Reflect Aero TWS 16hours

The battery life of the charging case is given by the vendor, and the Devialet Gemini 2's case has a full charge of 17 hours. A charging case with a longer battery life enables you to recharge your earbuds on the go several times before having to recharge the case itself.

JBL Reflect Aero TWS's charging case has a battery life of 16 hours, less than that of Devialet Gemini 2 by 1 hours

Charge Time

Devialet Gemini 2 1hours

JBL Reflect Aero TWS 1.5hours

It requires 1 hours to fully charge the Devialet Gemini 2's battery. It is highly adivsable to charge fully the battery before using the earbuds when they have been unused for long periods.

JBL Reflect Aero TWS takes 1.5 hours to fully charge the battery, more than that of Devialet Gemini 2 by 0.5 hours

Has Wireless Charging

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✗

The Devialet Gemini 2, the device supports wireless charging. To charge the earbuds, you simply put down on a supported charging pad.

Has A Battery Level Indicator

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

Devialet Gemini 2 have a battery level indicator, an indicator alerts you when the earbuds has a low battery. The battery indicator lights display the charging state of your device and charging case.

JBL Reflect Aero TWS too have a battery level indicator, charging indicators allow you to tell the charging state of your device, whether fully charged, or the battery is running low.

Has Usb Type-C

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

Devialet Gemini 2 use USB TYPE-C, a standard connector for transmitting both data and power through a single cable.

JBL Reflect Aero TWS too have USB TYPE-C. This USB-C plug comes along with most current laptops, phones, and tablets.

Bluetooth Version

Devialet Gemini 2 v5.2

JBL Reflect Aero TWS v5.2

Devialet Gemini 2 have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves.

JBL Reflect Aero TWS has a Bluetooth version of 5.2, equal to that of the Devialet Gemini 2 . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Devialet Gemini 2 10meters

JBL Reflect Aero TWS 10meters

The Devialet Gemini 2 have a 10meters distance connecting via Bluetooth.

JBL Reflect Aero TWS have a maximum range of 10meters, equal to that of the Devialet Gemini 2

Has Aac

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✗

Devialet Gemini 2 support AAC, a codec 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.

Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Devialet Gemini 2 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.

Has Aptx Adaptive

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✗

The Devialet Gemini 2 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).

Samsung Galaxy Buds3 Vs. Devialet Gemini 2 Review

Number Of Microphones

Devialet Gemini 2 4only

JBL Reflect Aero TWS 6only

Devialet Gemini 2 have 4 microphones.

While the JBL Reflect Aero TWS microphones are 6, more than that of Devialet Gemini 2 by 2 . More microphones result in better sound quality and enable the earbuds to filter out background sounds.

Has A Noise-Canceling Microphone

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

The Devialet Gemini 2 use a noise-canceling type of microphone, these microphones are intended to reduce background sounds from the desired sound.

The JBL Reflect Aero TWS too use a noise-canceling microphone. Especially useful in noisy environments.

Has Ambient Sound Mode

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

Devialet Gemini 2 support ambient sound mode, which uses microphones to channel ambient noises to still be heard even while wearing the earbuds

The JBL Reflect Aero TWS support ambient sound mode as well, helpful when you want to listen to music but also be aware of your surrounding, for example when you’re having a jog but would still want to be able to hear traffic.

Supports Fast Charging

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

The Devialet Gemini 2 support fast charging. Usually, technologies like MediaTek’s Pump Express, are used to lower the time it takes to fully charge the earbuds.

Also the JBL Reflect Aero TWS too support fast charging. This kind is similar to regular charging, only that the battery fills up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in thirty minutes.

Multipoint Count

Devialet Gemini 2 2only

JBL Reflect Aero TWS ✗

The Devialet Gemini 2 have a multipoint of 2 connections, the multipoint feature allows you to link to more than one Bluetooth device and switch between them. For example, you can easily switch calls from one device to another without having to manually disconnect and reconnect.

Has A Mute Function

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

The Devialet Gemini 2 have a mute function, they support the feature to mute/unmute a conversation directly from the device.

The JBL Reflect Aero TWS also have this function. It means that you unilaterally turn off the earbuds' microphone, but you can still hear the other party talk.

Control Panel Placed On A Device

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

With the Devialet Gemini 2, so you can easily access the volume control, pause, play, mute, etc whichever functions are supported on the earbuds.

JBL Reflect Aero TWS also have a control panel on them.

Has Voice Prompts

Devialet Gemini 2 ✗

JBL Reflect Aero TWS ✓

JBL Reflect Aero TWS have voice prompts. With voice prompts, you receive information via audio messages, like if there is an issue with the connection.

Travel Bag Is Included

Devialet Gemini 2 ✓

JBL Reflect Aero TWS ✓

The Devialet Gemini 2 come with a special pouch. Carrying earphones openly, or putting them inside your pockets without a cover can easily damage them.

JBL Reflect Aero TWS also have a travel bag included, which is useful for safe transportation.

Samsung Galaxy Buds3 Vs. Devialet Gemini 2 Review

Category	Features	Devialet Gemini 2	JBL Reflect Aero TWS
DESIGN	ingress protection (ip) rating	IPX4	IP68
	weight	12g	13g
	has no wires or cables	✓	✓
	wingtips included	✗	✓
	sweat resistance	✓	✓
	is dust proof and water-resistant	✗	✓
	has stereo speakers	✓	✓
SOUND QUALITY	has active noise cancellation (noise control)	✓	✓
	has passive noise reduction	✓	✓
	driver unit size	10mm	6.8mm
	lowest frequency	5Hz	20Hz
	highest frequency	20,000Hz	20,000Hz
	sound pressure level	120dB/mW	99dB/mW
POWER	battery life	5hours	8hours
	battery life of charging case	17hours	16hours
	charge time	1hours	1.5hours
	has wireless charging	✓	✗
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✓
	bluetooth version	v5.2	v5.2
	maximum bluetooth range	10meters	10meters
	has aac	✓	✗
	has aptx adaptive	✓	✗
MICROPHONE	number of microphones	4only	6only
MICROPHONE	has a noise-canceling microphone	✓	✓
EXTRAS	has ambient sound mode	✓	✓
	supports fast charging	✓	✓
	multipoint count	2only	✗
	has a mute function	✓	✓
	control panel placed on a device	✓	✓
	has voice prompts	✗	✓
	travel bag is included	✓	✓
		See price on Amazon	See price on Amazon

Devialet Gemini 2 Vs. Jbl Reflect Aero Tws Review

Reasons why you might like the Devialet Gemini 2

Reasons why you might like the JBL Reflect Aero TWS

Related Reviews

Devialet Gemini 2 Vs. Jbl Reflect Aero Tws Review In Summary

Devialet Gemini 2 Vs. Jbl Reflect Aero Tws Review In Detail

Design

Ingress Protection (Ip) Rating

Weight

Has No Wires Or Cables

Wingtips Included

Sweat Resistance

Is Dust Proof And Water-Resistant

Has Stereo Speakers

Sound Quality

Has Active Noise Cancellation (Noise Control)

Has Passive Noise Reduction

Driver Unit Size

Lowest Frequency

Highest Frequency

Sound Pressure Level

Power

Battery Life

Battery Life Of Charging Case

Charge Time

Has Wireless Charging

Has A Battery Level Indicator

Connectivity

Has Usb Type-C

Bluetooth Version

Maximum Bluetooth Range

Has Aac

Has Aptx Adaptive

Microphone

Number Of Microphones

Has A Noise-Canceling Microphone

Extras

Has Ambient Sound Mode

Supports Fast Charging

Multipoint Count

Has A Mute Function

Control Panel Placed On A Device

Has Voice Prompts

Travel Bag Is Included