A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Sennheiser Momentum True Wireless 3 IPX4

BLX Earbuds IPX4

Ingress protection ratings refer to the rank of protection offered by an enclosure, against solids and water. In the format of IPXX, 'X' represents a number The first value of the IP rating refers to protection against solids such as dust, while the second refers to resistance against liquids (sweat).

Having a value of IPX4, the BLX Earbuds's rating for solids indicates that no data available to specify a protection rating, and of liquids that they can withstand low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes.

Compared to the BLX Earbuds, Sennheiser Momentum True Wireless 3 have a rating of IPX4 meaning that we are not yet certain of their rating with solids (dust) and that of liquids is that, they both have the same rating against liquids

Weight

Sennheiser Momentum True Wireless 3 140g

BLX Earbuds 44.5g

BLX Earbuds have a weight of 44.5g . We take in account a lower weight better because lighter devices are easier to carry.

Sennheiser Momentum True Wireless 3, at 140g are heavier than the BLX Earbuds with a difference of 95.5g

Has No Wires Or Cables

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✓

For a device to be true wireless it must have no cables linking any part of the device together, BLX Earbuds are true wireless for this matter since they have no cables. This is a major distinction as some wireless earbuds have wires linking the 2 earbuds together.

Sennheiser Momentum True Wireless 3 also is true wireless since it doesn't have wires connecting the pair of earbuds .

Sweat Resistance

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✓

BLX Earbuds have sweat resistance

Sennheiser Momentum True Wireless 3's resistance to sweat makes both devices ideal for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc

Has Stereo Speakers

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✓

BLX Earbuds 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.

The Sennheiser Momentum True Wireless 3 also have stereo speakers

Sennheiser Momentum True Wireless 3
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Has Active Noise Cancellation (Noise Control)

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

ANC uses advanced technology to reduce ambient sounds. How it works, it listens to 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 producing -1 (counter sound by the device) giving 0 thus "diluting" the noise.

Sennheiser Momentum True Wireless 3 have ANC allowing you to listen at lower levels of volume, causing less ear fatigue since you don't need to crank up the device volume to outcompete background noise.

Has Passive Noise Reduction

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✓

The BLX Earbuds sit well in place, this creates a sound covering that tones down background sounds well as preventing the earbuds sound from leaking out .

Both of these devices have passive noise reduction this implies that both tone down ambient noise without using ANC to cancel it out.

Driver Unit Size

Sennheiser Momentum True Wireless 3 7mm

BLX Earbuds ✗

The Sennheiser Momentum True Wireless 3 driver unit is 7mm in diameter, the bigger the unit the more powerful, therefor producing better bass. The driver unit is basically a mini speaker that produces sound in the earbuds, its size determines the sound produced by the earbuds.

Lowest Frequency

Sennheiser Momentum True Wireless 3 5Hz

BLX Earbuds 20Hz

BLX Earbuds's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio component produces low audible frequencies and if it alters the signal on its way through.

Sennheiser Momentum True Wireless 3's lowest frequency is at 5Hz, this implies that Sennheiser Momentum True Wireless 3 can produce a juicier bass than the BLX Earbuds

Highest Frequency

Sennheiser Momentum True Wireless 3 21000Hz

BLX Earbuds 20000Hz

The BLX Earbuds's highest frequency is at 20000Hz, high-frequency response tells how well a particular audio device generates high audible frequencies and if it makes any changes to the signal while at it.

Sennheiser Momentum True Wireless 3's highest frequency is at 21000Hz, this means that Sennheiser Momentum True Wireless 3 can generate a clearer and crispier treble than the BLX Earbuds

Sound Pressure Level

Sennheiser Momentum True Wireless 3 107dB/mW

BLX Earbuds ✗

The sound pressure level, is the pressure level of sound, measured in decibels, dB, Sennheiser Momentum True Wireless 3's measurement is 107dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

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Battery Life

Sennheiser Momentum True Wireless 3 7hours

BLX Earbuds 4.5hours

The BLX Earbuds's battery life is 4.5 hours, 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 chanrgings.

Sennheiser Momentum True Wireless 3's battery life is more than that of BLX Earbuds by 2.5 hours . Every time you recharge your earbuds, they get a little less listening time. The effect is not noticeable at first, but over a few years, your wireless earbuds will no longer play for long like they used to.

Battery Life Of Charging Case

Sennheiser Momentum True Wireless 3 21hours

BLX Earbuds 13.5hours

The battery life of the charging case is given by the vendor, and the BLX Earbuds's case is said to have a full charge of 13.5 hours. A charging case with a longer battery life allows you to recharge your earbuds on the go several times before having to recharge the case itself.

Sennheiser Momentum True Wireless 3's charging case has a battery life of 21 hours, more than that of BLX Earbuds by 7.5 hours

Charge Time

Sennheiser Momentum True Wireless 3 1.5hours

BLX Earbuds 1hours

It takes 1 hours to fully charge the BLX Earbuds's battery. It is recommended to fully charge the battery before using the earbuds when they have been unused for extended periods.

Sennheiser Momentum True Wireless 3 takes 1.5 hours to fully charge the battery, more than that of BLX Earbuds by 0.5 hours

Battery Power

Sennheiser Momentum True Wireless 3 ✗

BLX Earbuds 40mAh

BLX Earbuds's battery capacity is 40mAh, battery capacity, represents the amount of electrical energy that a battery can store.

Has Wireless Charging

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

Sennheiser Momentum True Wireless 3, the device supports wireless charging. To charge the earbuds, you just put down on a supported charging pad.

Has A Battery Level Indicator

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✓

BLX Earbuds have a battery level indicator, an indicator notifies you when the device has a low battery. Its lights display the charging status of your device and case.

Sennheiser Momentum True Wireless 3 too have a battery level indicator, these allow you tell the charging state of your device, if charged fully, or having a low battery.

Sennheiser Momentum True Wireless 3
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Has Usb Type-C

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

The Sennheiser Momentum True Wireless 3 support USB TYPE-C, an industry-standard connector for transmitting both data and power in a single cable.

Bluetooth Version

Sennheiser Momentum True Wireless 3 v5.2

BLX Earbuds v5.1

BLX Earbuds have Bluetooth version of 5.1, Bluetooth is a wireless technology standard that enables data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves.

Sennheiser Momentum True Wireless 3 has a Bluetooth version of 5.2, newer than that of BLX Earbuds . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Sennheiser Momentum True Wireless 3 10meters

BLX Earbuds 10meters

The BLX Earbuds have a 10meters distance to connect via Bluetooth.

Sennheiser Momentum True Wireless 3 have a maximum range of 10meters, equal to that of the BLX Earbuds

Has Aac

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

Sennheiser Momentum True Wireless 3 support AAC, a codec that is used for Bluetooth audio. It supports 24-bit audio at 250kbps. Since it uses psychoacoustic modeling, it provides better results than other codecs at a similar bit rate.

Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Sennheiser Momentum True Wireless 3 will work fine with your MacBook. If you intend 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.

Has Aptx Adaptive

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

Sennheiser Momentum True Wireless 3 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).

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Number Of Microphones

Sennheiser Momentum True Wireless 3 6only

BLX Earbuds 2only

BLX Earbuds have 2 microphones.

Sennheiser Momentum True Wireless 3 microphones are 6, more than that of BLX Earbuds by 4 . More microphones result in better sound quality and enable the earbuds to filter out background sounds.

Has A Noise-Canceling Microphone

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

The Sennheiser Momentum True Wireless 3 have a noise-canceling type of microphone, these microphones are designed to filter out background sounds from the desired sound.

Sennheiser Momentum True Wireless 3
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Has Ambient Sound Mode

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

Sennheiser Momentum True Wireless 3 support ambient sound mode, which uses microphones to pass through ambient sound to still be heard even when wearing the earbuds

Has In/On-Ear Detection

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

The Sennheiser Momentum True Wireless 3 have in/on-ear detection, the sensors in the earbuds can detect when they are removed from your ears .

Supports Fast Charging

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

The Sennheiser Momentum True Wireless 3 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.

Multipoint Count

Sennheiser Momentum True Wireless 3 ✗

BLX Earbuds 1only

BLX Earbuds support multipoint of 1 connections, the multipoint feature allows you connect to more than one Bluetooth device and switch between them. Say, you can easily switch calls from one device to another without manually disconnect and reconnect.

Has A Mute Function

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✗

Sennheiser Momentum True Wireless 3 have a mute function, they have the feature to mute/unmute a conversation directly from the earbuds.

Control Panel Placed On A Device

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✓

The BLX Earbuds, so you can easily access the volume control, pause, play, mute, etc whichever functions are supported on the device.

Sennheiser Momentum True Wireless 3 too have a control panel on them.

Has Voice Prompts

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✓

BLX Earbuds support voice prompts. With voice prompts, you receive information via audio messages, say if there is an issue with the connection.

Sennheiser Momentum True Wireless 3 also have voice prompts .i.e the earbuds will notify you when the battery is low, and you need to recharge them.

Travel Bag Is Included

Sennheiser Momentum True Wireless 3 ✓

BLX Earbuds ✓

BLX Earbuds come with their own special case. Carrying earphones without a case, or placing them in your pockets without a cover may easily damage them.

Sennheiser Momentum True Wireless 3 too have a travel bag included, which is useful for safe transportation.

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Category	Features	BLX Earbuds	Sennheiser Momentum True Wireless 3
DESIGN	ingress protection (ip) rating	IPX4	IPX4
	weight	44.5g	140g
	has no wires or cables	✓	✓
	sweat resistance	✓	✓
	has stereo speakers	✓	✓
SOUND QUALITY	has active noise cancellation (noise control)	✗	✓
	has passive noise reduction	✓	✓
	driver unit size	✗	7mm
	lowest frequency	20Hz	5Hz
	highest frequency	20000Hz	21000Hz
	sound pressure level	✗	107dB/mW
POWER	battery life	4.5hours	7hours
	battery life of charging case	13.5hours	21hours
	charge time	1hours	1.5hours
	battery power	40mAh	✗
	has wireless charging	✗	✓
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✗	✓
	bluetooth version	v5.1	v5.2
	maximum bluetooth range	10meters	10meters
	has aac	✗	✓
	has aptx adaptive	✗	✓
MICROPHONE	number of microphones	2only	6only
MICROPHONE	has a noise-canceling microphone	✗	✓
EXTRAS	has ambient sound mode	✗	✓
	has in/on-ear detection	✗	✓
	supports fast charging	✗	✓
	multipoint count	1only	✗
	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

A Review By Comparison of the Blx Earbuds Vs. Sennheiser Momentum True Wireless 3

Reasons why you might like the Sennheiser Momentum True Wireless 3

Reasons why you might like the BLX Earbuds

A summary of the review by comparison

A breakdown of the review per specifications

Design

Ingress Protection (Ip) Rating

Weight

Has No Wires Or Cables

Sweat Resistance

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

Battery Power

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

Has In/On-Ear Detection

Supports Fast Charging

Multipoint Count

Has A Mute Function

Control Panel Placed On A Device

Has Voice Prompts

Travel Bag Is Included

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