A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Sony WF 1000XM4 IPX4

BLX Earbuds Gen 1 IPX4

IP ratings refer to the rank of protection given by an enclosure, against dust and water. In the format of IPXX, 'X' represents a number The first value represents protection against solids say dust, followed by the one that refers to resistance against liquids (sweat).

Scoring IPX4, the BLX Earbuds Gen 1'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 Gen 1, Sony WF 1000XM4 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

Sony WF 1000XM4 7.1g

BLX Earbuds Gen 1 44.5g

BLX Earbuds Gen 1 have a weight of 44.5g . We consider a lower weight better because lighter devices are easier to carry.

The Sony WF 1000XM4, at 7.1g are lighter than the BLX Earbuds Gen 1 by -37.4g

Has No Wires Or Cables

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✓

For a device to be true wireless it must have no cables connecting any part of the device together, BLX Earbuds Gen 1 are true wireless for this matter since they have no cables. This is a major distinction as some wireless earbuds have cables linking the pair of earbuds .

Sony WF 1000XM4 also is true wireless since it doesn't have cables connecting the pair of earbuds together.

Sweat Resistance

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✓

BLX Earbuds Gen 1 have sweat resistance

Sony WF 1000XM4's resistance to sweat makes both devices fit for use during long-distance running, marathons, training in workout bodysuits, etc

Has An Earbud Foam

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

The earbud foam is made to be ultracompact and lightweight, with almost no interference with earrings, spectacles, hats, or hairstyles. The Sony WF 1000XM4 have an earbud foam to some it is more comfortable than the in-ear foam.

Has Stereo Speakers

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✓

BLX Earbuds Gen 1 have stereo speakers, what this means is that BLX Earbuds Gen 1's speakers deliver sound from separate channels on both left and right sides, this creates a richer sound and a better listening experience.

Both Sony WF 1000XM4 and BLX Earbuds Gen 1 have stereo speakers

Sony WF 1000XM4
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Has Active Noise Cancellation (Noise Control)

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

ANC makes use of more advanced technology to reduce unwanted ambient sounds. ANC works when, it detects and analyzes the sound pattern outside and inside the earbud and after inverts the soundwaves to counter it. Simply put, it's like taking +1 (noise) and producing -1 (inverted noise) giving zero resulting in a reduced level of noise.

Sony WF 1000XM4 have Active Noise Cancellation allowing you to listen at lower volume levels, good for your ears as you don't have to crank up the device volume to overcome background noise.

Has Passive Noise Reduction

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✓

The BLX Earbuds Gen 1 sit well in place, this creates an acoustic seal that reduces your environment sounds well as preventing the earbuds music from leaking out .

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

Driver Unit Size

Sony WF 1000XM4 6mm

BLX Earbuds Gen 1 ✗

Sony WF 1000XM4 driver unit is 6mm in diameter, the bigger the unit the more powerful, and can produce better bass. The driver unit is basically a mini speaker that produces sound in the device, the unit size dictates the loudness of the device.

Lowest Frequency

Sony WF 1000XM4 20Hz

BLX Earbuds Gen 1 20Hz

BLX Earbuds Gen 1's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio component generates low frequencies that can be heard, and if it alters the signal while at it.

Sony WF 1000XM4's lowest frequency is at 20Hz, this means that both devices can make sound with equal bass

Highest Frequency

Sony WF 1000XM4 40000Hz

BLX Earbuds Gen 1 20000Hz

The BLX Earbuds Gen 1's highest frequency is at 20000Hz, high-frequency response measures if and how well a particular audio component generates high recognizable frequencies and if it makes any adjustments to the signal while at it.

Sony WF 1000XM4's highest frequency is at 40000Hz, this implies that Sony WF 1000XM4 generate a clearer and crispier treble than the BLX Earbuds Gen 1

Sound Pressure Level

Sony WF 1000XM4 105dB/mW

BLX Earbuds Gen 1 ✗

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.

Has A Neodymium Magnet

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

The Sony WF 1000XM4 have neodymium magnets, when used in earbuds produce a higher sensitivity and substantial sound output using less power to do so. They can help produce music at quite a high SPL, using high magnetic flux.

A Review By Comparison Of The Technics Eah Az80 Vs. Blx Earbuds Gen 1

Battery Life

Sony WF 1000XM4 8hours

BLX Earbuds Gen 1 4.5hours

The BLX Earbuds Gen 1's battery life is 4.5 hours, these last less than 5 hours of listening which is considered average before recharge. 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.

Sony WF 1000XM4's battery life is more than that of BLX Earbuds Gen 1 by 3.5 hours . Every time you recharge your device, they get a little less playing time. The effect is barely noticeable at first, but over a few years, your wireless earbuds will have shorter listening time.

Battery Life Of Charging Case

Sony WF 1000XM4 16hours

BLX Earbuds Gen 1 13.5hours

This is given by the manufacturer, and the BLX Earbuds Gen 1's case has a full charge of 13.5 hours. A charging case with a longer battery life allows you to recharge your earbuds on the go many times before recharging the case itself.

Sony WF 1000XM4's charging case has a battery life of 16 hours, more than that of BLX Earbuds Gen 1 by 2.5 hours

Charge Time

Sony WF 1000XM4 1.5hours

BLX Earbuds Gen 1 1hours

It takes 1 hours to fully charge the BLX Earbuds Gen 1's battery. It is highly adivsable to fully charge the battery before using the earbuds when they have been in storage for long periods.

Sony WF 1000XM4 takes 1.5 hours to fully charge the battery, more than that of BLX Earbuds Gen 1 by 0.5 hours

Battery Power

Sony WF 1000XM4 40mAh

BLX Earbuds Gen 1 40mAh

BLX Earbuds Gen 1's battery capacity is 40mAh, battery power, represents the amount of electrical energy that a battery can store.

Sony WF 1000XM4's battery power is 40mAh. equal to that of the BLX Earbuds Gen 1

Has Wireless Charging

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

Sony WF 1000XM4, the device supports wireless charging. To charge the earbuds, you simply place down on a supported charging pad.

Has A Battery Level Indicator

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✓

The BLX Earbuds Gen 1 have a battery level indicator, an indicator alerts you when the earbuds has a low battery. Its lights display the charging state of your device and case.

Sony WF 1000XM4 too have a battery level indicator, charging indicators allow you tell the charging state of your device, whether fully charged, or the battery is running low.

Sony WF 1000XM4
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Has Usb Type-C

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

Sony WF 1000XM4 use USB TYPE-C, a standard connector for transmitting both data and power in a single cable.

Bluetooth Version

Sony WF 1000XM4 v5.2

BLX Earbuds Gen 1 v5.1

BLX Earbuds Gen 1 have Bluetooth version of 5.1, Bluetooth is a wireless technology standard that allows data transfers between devices placed in range, using short-wavelength, ultra-high frequency radio waves.

Sony WF 1000XM4 has a Bluetooth version of 5.2, newer than that of BLX Earbuds Gen 1 . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Sony WF 1000XM4 10meters

BLX Earbuds Gen 1 10meters

The BLX Earbuds Gen 1 have a 10meters distance connecting via Bluetooth.

Sony WF 1000XM4 have a maximum range of 10meters, equal to that of the BLX Earbuds Gen 1

Has Aac

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✓

BLX Earbuds Gen 1 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 BLX Earbuds Gen 1 will work well with your iPhone. If you are planning on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.

The Sony WF 1000XM4 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.

Has Ldac

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

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 is capable of a very high bitrate of 990kbps, providing high-resolution audio.

Has Aptx Hd

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

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).

Audio Latency

Sony WF 1000XM4 40ms

BLX Earbuds Gen 1 ✗

Latency refers to the time it takes for the audio signal to be transmitted to your earbuds. Sony WF 1000XM4 have a latency of 40ms, a lower latency reduces audio lag and is particularly important when playing games or watching videos.

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Number Of Microphones

Sony WF 1000XM4 4only

BLX Earbuds Gen 1 2only

The BLX Earbuds Gen 1 have 2 microphones.

Sony WF 1000XM4 microphones are 4, more than that of BLX Earbuds Gen 1 by 2 . More microphones result in better sound quality and help the device to filter out background sounds.

Has A Noise-Canceling Microphone

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

Sony WF 1000XM4 use a noise-canceling type of microphone, these microphones are designed to filter out noise from the desired sound.

Sony WF 1000XM4
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Has Ambient Sound Mode

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

The Sony WF 1000XM4 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

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

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.

Has Find Earbuds Feature

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

When misplaced in a room, or can't easily find them in your bag, the Sony WF 1000XM4 support the find earbuds feature.

Supports Fast Charging

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

The Sony WF 1000XM4 support fast charging. Usually, technologies like Qualcomm’s Quick Charge, are used to reduce the amount of time it takes to fully charge a device.

Multipoint Count

Sony WF 1000XM4 2only

BLX Earbuds Gen 1 ✗

The Sony WF 1000XM4 support multipoint of 2 connections, this feature allows you connect to more than one Bluetooth device and switch between them. For example, you can seemlessly switch calls from one device to another without manually disconnect and reconnect.

Has A Mute Function

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✗

Sony WF 1000XM4 have a mute function, they support the feature to mute/unmute a conversation directly from the device.

Control Panel Placed On A Device

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✓

With the BLX Earbuds Gen 1, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the device.

The Sony WF 1000XM4 too have a control panel on them.

Has Voice Prompts

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✓

BLX Earbuds Gen 1 support voice prompts. With voice prompts, you receive information through audio messages, say if there is an issue with the connection.

The Sony WF 1000XM4 too support voice prompts .i.e the device will notify you if the battery is running low, and it's time to recharge them.

Travel Bag Is Included

Sony WF 1000XM4 ✓

BLX Earbuds Gen 1 ✓

BLX Earbuds Gen 1 come with their own special case. Carrying earbuds openly, or placing them in your pockets without a casing may easily damage them.

Sony WF 1000XM4 also have a travel bag included, which offers safe transportation.

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Category	Features	Sony WF 1000XM4	BLX Earbuds Gen 1
DESIGN	ingress protection (ip) rating	IPX4	IPX4
	weight	7.1g	44.5g
	has no wires or cables	✓	✓
	sweat resistance	✓	✓
	has an earbud foam	✓	✗
	has stereo speakers	✓	✓
SOUND QUALITY	has active noise cancellation (noise control)	✓	✗
	has passive noise reduction	✓	✓
	driver unit size	6mm	✗
	lowest frequency	20Hz	20Hz
	highest frequency	40000Hz	20000Hz
	sound pressure level	105dB/mW	✗
	has a neodymium magnet	✓	✗
POWER	battery life	8hours	4.5hours
	battery life of charging case	16hours	13.5hours
	charge time	1.5hours	1hours
	battery power	40mAh	40mAh
	has wireless charging	✓	✗
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✗
	bluetooth version	v5.2	v5.1
	maximum bluetooth range	10meters	10meters
	has aac	✓	✓
	has ldac	✓	✗
	has aptx hd	✓	✗
	audio latency	40ms	✗
MICROPHONE	number of microphones	4only	2only
MICROPHONE	has a noise-canceling microphone	✓	✗
EXTRAS	has ambient sound mode	✓	✗
	has in/on-ear detection	✓	✗
	has find earbuds feature	✓	✗
	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

A Review By Comparison of the Blx Earbuds Gen 1 Vs. Sony Wf 1000Xm4

Reasons why you might like the Sony WF 1000XM4

Reasons why you might like the BLX Earbuds Gen 1

A summary of the review by feature comparison

A breakdown of the review per specifications

Design

Ingress Protection (Ip) Rating

Weight

Has No Wires Or Cables

Sweat Resistance

Has An Earbud Foam

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

Has A Neodymium Magnet

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 Ldac

Has Aptx Hd

Audio Latency

Microphone

Number Of Microphones

Has A Noise-Canceling Microphone

Extras

Has Ambient Sound Mode

Has In/On-Ear Detection

Has Find Earbuds Feature

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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