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Adaptive Sound Technologies LectroFan EVO White Noise Machine - Compact Sleep Sound Machine for Bedroom, Travel, Study & More - 22 Non-Looping Fan, White & Ocean Noise Variations - White

4.5 out of 5 stars 4,414 ratings

$47.96 with 20 percent savings
List Price: $59.95
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Color: White
Style: EVO
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Purchase options and add-ons

Color White
Brand LectroFan
Material Plastic, Acrylonitrile Butadiene Styrene (ABS)
Power Source Corded Electric
Model Name LectroFan

About this item

  • LectroFan EVO: This compact sleep sound machine from Adaptive Sound Technologies offers 22 non-looping (non-repeating) sounds, including fan sounds, white noise, and ocean sounds
  • Noise Masking Mastery: With precision volume control, the LectroFan sleep machine for deep sleep drowns out disruptive noise, helping to support sleep and relaxation for all ages
  • Sleep Timer Feature: Equipped with a convenient sleep timer, this sleep device can be set to automatically turn off, ensuring energy-efficient use while you drift into peaceful slumber
  • Portable Design Specs: Lightweight and USB-powered, this white noise machine for bedroom or travel measures 4.7 x 4.7 x 3.3 inches, perfect for on-the-go restorative rest
  • Innovative Solutions for Better Sleep: Adaptive Sound Technologies is focused 100% on designing, building, and selling quality and innovative sleep sound machines

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Product information

Item Weight 12.8 ounces
Product Dimensions 4.7 x 4.7 x 3.3 inches
Country of Origin China
ASIN B074FL2HL2
Item model number ASM1020-WW
Customer Reviews
4.5 out of 5 stars 4,414 ratings

4.5 out of 5 stars
Best Sellers Rank #9,513 in Health & Household (See Top 100 in Health & Household)
#22 in Sleep Sound Machines
Is Discontinued By Manufacturer No
Date First Available July 9, 2018
Color Name White
Connector Type USB
Material Type Plastic, Acrylonitrile Butadiene Styrene (ABS)
Size 1 Count (Pack of 1)
Power Source Corded Electric

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Please refer to the User Guide before first use. [PDF ]

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Adaptive Sound Technologies LectroFan EVO White Noise Machine - Compact Sleep Sound Machine for Bedroom, Travel, Study & More - 22 Non-Looping Fan, White & Ocean Noise Variations - White


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Product Description

Enjoy a better night's rest with the Adaptive Sound Technologies LectroFan EVO, a compact sleep sound option designed to be the ultimate sleep accessory. This convenient sound sleep machine is equipped with a suite of 22 non-repeating sounds, including 10 fan noises, 10 ambient white noise variations, and 2 ocean sounds. Each sound is engineered to mask disruptive noise from your environment, transforming your bedroom into a sanctuary of tranquility.

The LectroFan sleep sound device is not only a white noise machine for sleep but a sleep innovation designed for the modern lifestyle. Its compact white noise machine profile makes it an ideal portable sound sleep machine, perfect for travelers or those with limited space. With its robust construction and no moving parts, this soothing sleep noise machine delivers consistent, high-quality sound without the risk of breakdown or replacement.

In addition to its portable and durable design, this sleep machine for deep sleep offers a precise volume control, allowing you to create the optimal acoustic environment for sleep, study, or relaxation. It's also easy to use, with a sleep timer for automatic shut-off, ensuring that it's a convenient and energy-efficient. If you're an adult seeking a noise machine for sleep, the LectroFan sleep device with unique sound profiles is your solution for a restful night.

Founded in 2008, Adaptive Sound Technologies is a leading supplier of advanced sound machines and adaptive audio products. Headquartered in Silicon Valley, the engineering team is led by Silicon Valley executives Sam Nicolino and Ira Chayut, who combined have over 60 years of technology experience with leading top tech companies. Breakthroughs in the science of ambient noise analysis and dynamic adaptive audio have earned ASTI multiple patents, resulting in innovative sleep products that use much less power than a motorized fan or a fan-in-a-box and deliver better sleep to customers worldwide.


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Price-20% $47.96
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$21.95-20% $47.96
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$64.99$99.99
Price Per Unit$21.95 / count$99.99 / count
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Get it as soon as Wednesday, Jun 4
Get it as soon as Wednesday, Jun 4
Get it as soon as Wednesday, Jun 4
Get it as soon as Wednesday, Jun 4
Get it as soon as Wednesday, Jun 4
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Customer reviews

4.5 out of 5 stars
4,414 global ratings

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Customers say

Customers appreciate the sound machine's ability to block street noise and its easy adjustment of volume and sound types. The device is compact, fitting nicely on bedside tables, and customers find it simple to use and effective for better sleep. While some customers consider it worth the price, others feel it's not worth the $60+ cost. Durability receives mixed reviews, with some finding it solid while others report it breaking after less than a year of use.

AI-generated from the text of customer reviews

611 customers mention "Sound quality"463 positive148 negative

Customers like the sound quality of the white noise machine, appreciating its consistent noise production and the choice of different fan sounds, with one customer noting it's capable of producing enough sound to insulate.

"...The sound is very rich and deep and includes some lower-frequency noise settings that can mask even things like trash trucks or leaf blowers..." Read more

"...Perfect for apartment/ condo use to mask unwanted noise. It has many different settings and I use the one that sounds like a fan whirring...." Read more

"...22 different sound options total I believe, 10 fan and 10 white noise and 2 "ocean" although the ocean sounded more like further white noise options..." Read more

"...It's been my permanent background noise and it gets LOUD if you want it to. It functions great after well over a year of continuous use." Read more

249 customers mention "Functionality"207 positive42 negative

Customers find that the sound machine works well, particularly when traveling, and one customer mentions it performs flawlessly throughout the night.

"...It functions great after well over a year of continuous use." Read more

"...So the Squeezebox device worked well, except several times a year or more there were either power glitches or network glitches that caused the..." Read more

"Works well sounds good!" Read more

"...Its about the size of a big double hamburger. It's easy to use and it works well, except for the inconvenience of choosing a particular sound...." Read more

214 customers mention "Sleep quality"205 positive9 negative

Customers report that the sound machine helps them sleep better through the night, falling asleep much quicker and able to sleep through various noises, including snoring spouses.

"...sound machine, and it's well worth the cost for helping me get a good night's sleep no matter what annoying noises are going on outside!" Read more

"...a number of months, there's this model in our bedroom for falling asleep to ocean waves and then a sister to that one that is only for..." Read more

"...I highly recommend this sound machine to anyone looking to improve their sleep quality or reduce distractions during the day...." Read more

"...of the machine and earplugs are enough for me to sleep through disruptive noises, even as a light sleeper!..." Read more

126 customers mention "Volume control"115 positive11 negative

Customers appreciate the sound machine's volume control, which allows easy adjustment of noise and volume levels, with one customer noting that it remembers previous settings.

"...The volume adjusts with a click of a button. Small compact size is good on a nightstand or bookcase. These make good gifts for sleeping or studying...." Read more

"I'm most impressed with the volume control on this first of all!..." Read more

"...4. Customizable Volume: The volume range is broad and easily adjustable, making it suitable for both light sleepers and those who need a louder..." Read more

"...You can adjust the volume to your liking...." Read more

112 customers mention "Compact size"102 positive10 negative

Customers appreciate the sound machine's compact size, noting that it fits nicely on bedside tables, and one customer mentions it's best for a single small-to-medium-sized room.

"...The volume adjusts with a click of a button. Small compact size is good on a nightstand or bookcase. These make good gifts for sleeping or studying...." Read more

"...The device is a nice small compact size that easily fits on a narrow shelf my my bed. It doesn't bother my cats." Read more

"...Despite its small size, the sound quality is impressive. 3 Highly Effective Noise Masking: The sound masking is phenomenal...." Read more

"...It's plug and play. It's quite small (the footprint is about the size of a mug coaster)...." Read more

78 customers mention "Ease of use"75 positive3 negative

Customers find the sound machine easy to use and control, with simple setup and operation.

".../lights to potentially interfere with your sleep, and the button layout is easy to learn and navigate without looking, if you need to adjust the..." Read more

"...And it just works! No fussing with loading an app, with a phone heating up or battery dying during the night, or network issues to interrupt the..." Read more

"...It's plug and play. It's quite small (the footprint is about the size of a mug coaster)...." Read more

"...The options are straightforward. Volume up and volume down buttons. Fan button for the fan noises, the static symbol for static noise...." Read more

100 customers mention "Durability"65 positive35 negative

Customers have mixed experiences with the sound machine's durability, with some finding it solid and saying it will last, while others report it breaking after less than a year of use and describe it as cheaply made.

"...And it does get quite loud, thanks to the high-quality speaker and enclosure...." Read more

"...Do they consume very little power? Are they good build quality? Are they going to heat up or burn up or worse?..." Read more

"...Most were cheaply made and poor performers. I am only interested in the white noise variations and different fan noises...." Read more

"...It’s a thoughtful touch for eco-conscious users. 6. Durability: It feels sturdy and well-built, designed to last for years...." Read more

81 customers mention "Value for money"56 positive25 negative

Customers have mixed opinions about the sound machine's value for money, with some finding it worth the price as an affordable investment for quality sleep, while others consider it a waste of money.

"...So I'm very happy with this acquisition and it has definitely been worth the price." Read more

"...I've found no downsides with this sound machine, and it's well worth the cost for helping me get a good night's sleep no matter what annoying..." Read more

"...So for that, it's not worth the $60+ for me." Read more

"...for years and years judging by other people's experience, so well worth the cost for something you'll use almost every single day IMO...." Read more

Blocks out the neighbor’s Rooster!
5 out of 5 stars
Blocks out the neighbor’s Rooster!
I just got this today and luckily the rooster 🐓 was screaming it’s little rooster head off so I could test whether it successfully blocked his rooster yelling noises out or not… It did, indeed block the rooster yelling noises and I am a very happy, soon to be sleeper! That chronically excitable rooster isn’t 20 feet from my bedroom window and to say I’m a light sleeper would be an understatement. It usually starts around 3 am and doesn’t stop sometimes until after noon! I thought, “aren’t roosters supposed to crow when the sun comes out then shut their rooster mouthes after that?”…the answer is no, unfortunately and I quickly found that out after Google assisted me with investigating this question. I already sleep with a fan (as you can see in the picture) but it’s loudest did nothing to drown out his rooster yelling. You may ask “why don’t you knock on your neighbors door and angrily tell them “shut your rooster up or get rid of it!” Well, firstly because confrontation terrifies me. But also I’m an overly understanding person with hyper empathy and know that the world doesn’t revolve around me and my sleep. The rooster is doing what roosters do, protecting it’s hens from predators, and the family (a very large family) is doing what they can to save money (or make it, I’m not sure). The grocery stores around our house have been under stocked with eggs for the last year and limit the number you can buy. Long story short, my problem is solved and I didn’t even need to arrogantly threaten my neighbors or force them to kill their rooster, especially he’s so diligent at his job of protecting his hens. 🧘‍♀️🙏🐓🫰🥱😴😅
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Top reviews from the United States

  • Reviewed in the United States on May 17, 2025
    Color: WhiteStyle: EVOVerified Purchase
    I purchased this item in May of 2024 and since it's been so good it is about time I write a review. I have tinnitus as a result of 20 years of structural steel erection in my younger days, and hear birds chirping 24/7. This since the mid 1980s. I tune it out most of the time but when you lie down to go to sleep in total silence the chirping is front and center. Using the pink noise setting allows me to focus on the sound generated by the machine instead of the tinnitus. My upstairs neighbor is generally quiet but if there's a piece of furniture moved, scraping on the tile floor, it is sort of part of the surrounding sounds. If the machine wasn't on it would break the total silence and be very disturbing. So I'm very happy with this acquisition and it has definitely been worth the price.
    One person found this helpful
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  • Reviewed in the United States on April 13, 2025
    Color: WhiteStyle: EVOVerified Purchase
    The LectroFan Evo is by far the best sound/noise sleep aid machine I've seen or used! The sound is very rich and deep and includes some lower-frequency noise settings that can mask even things like trash trucks or leaf blowers outside if I turn the volume up loud enough. And it does get quite loud, thanks to the high-quality speaker and enclosure. I prefer the noise/static sounds but there are good fan-like sounds if you prefer that. It's powered by a plug-in USB adapter, so you can power it from a USB power cell if needed. There are no LEDs/lights to potentially interfere with your sleep, and the button layout is easy to learn and navigate without looking, if you need to adjust the volume or change sounds or set the timer in the dark. It remembers your settings even if you unplug it for a while, and there are a couple customizable options like auto-power-on/off. I've found no downsides with this sound machine, and it's well worth the cost for helping me get a good night's sleep no matter what annoying noises are going on outside!
    3 people found this helpful
    Report
  • Reviewed in the United States on May 29, 2025
    Color: WhiteStyle: EVOVerified Purchase
    The only product I’ve ever reviewed on Amazon. I love the simplicity of this machine along with the uninterrupted sound. It’s perfect for the baby’s room. Thank you!
  • Reviewed in the United States on January 19, 2025
    Color: WhiteStyle: EVOVerified Purchase
    limited # sounds, some screechy. But drowns out other surrounding nuisances
    One person found this helpful
    Report
  • Reviewed in the United States on May 17, 2025
    Color: WhiteStyle: EVOVerified Purchase
    Wow wow wow! I purchased this product because of a heavy walking upstairs neighbor in my apartment… It muffles the noise so I am happy… What I’m really happy about unexpectedly is that I am sleeping so much better! This was a pleasant bonus!
    Worth every penny!!
  • Reviewed in the United States on April 29, 2025
    Color: WhiteStyle: EVOVerified Purchase
    This sound conditioner is fine. I have been very satisfied using it. Perfect for apartment/ condo use to mask unwanted noise. It has many different settings and I use the one that sounds like a fan whirring. The volume adjusts with a click of a button. Small compact size is good on a nightstand or bookcase. These make good gifts for sleeping or studying. Only uses about 4 or 5 watts. Used this one for about a year now and it's fine so far.
  • Reviewed in the United States on April 7, 2025
    Color: WhiteStyle: EVOVerified Purchase
    I'm most impressed with the volume control on this first of all! Very precise small incremental changes so you can keep it medium-quiet but also amp it up if you need to when your cats are begging for breakfast too early. 22 different sound options total I believe, 10 fan and 10 white noise and 2 "ocean" although the ocean sounded more like further white noise options to me. No ability to combine sounds, if that's what you're looking for. For anyone like me who just likes to pick from multiple good white noise or fan settings though, this is perfect.
    One person found this helpful
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  • Reviewed in the United States on March 13, 2024
    Color: WhiteStyle: EVOVerified Purchase
    For over a decade my wife and I have put on the sound of ocean waves on our beloved Squeezebox radio devices as white noise to fall asleep to. We had a pug that would snore pretty loud, so needed something to drown that out -- and besides that, when it's dead silent and the house is creaking or there's some other noise to fixate on, it can sometimes be hard to fall asleep. So the Squeezebox device worked well, except several times a year or more there were either power glitches or network glitches that caused the white noise to be interrupted -- which would inevitably wake us up and have one of us walking over half-asleep to reset the radio, sometimes cursing at it because it wouldn't just reset. I eventually decided that it'd be nice to have something that just did white noise and didn't require any network connection -- or would restart itself if the power went off.

    I now have 4x LectroFan white noise machines. Two of this model and two of their more basic model. They all work well. I have one in the guest room for when guests are over, we were using one by our puppy's crate for a number of months, there's this model in our bedroom for falling asleep to ocean waves and then a sister to that one that is only for traveling.

    My wife thought I was nuts for buying the first one. Probably because of the fact you can play white noise on your phone, we had the Squeezeboxes playing ocean waves, etc. But then after we used it for a while, she started to love it -- and also love the simplicity of them. You just hit a button. It remembers the volume and whatever tone you had previously set. If the power goes out, it comes right back on with the same tone and volume. And it just works! No fussing with loading an app, with a phone heating up or battery dying during the night, or network issues to interrupt the streaming of the white noise.

    So all-in-all, very happy to have purchased this and wouldn't hesitate to recommend. There is no looping. It can get pretty loud. And it just works!

    With these having an advertised power rating, I felt really comfortable buying it. I think it's under 3w or something like that -- and that's how it should be. Yes there are cheaper options, but do they have a noticeable loop in the sound? Do they consume very little power? Are they good build quality? Are they going to heat up or burn up or worse? I'd rather pay a bit more knowing I'm getting a quality product these days, especially if it's plugged in 24/7.

    This is a buy-it-once type of device that should last for years and years judging by other people's experience, so well worth the cost for something you'll use almost every single day IMO. Definitely recommended!
    63 people found this helpful
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Top reviews from other countries

Translate all reviews to English
  • Prashant mogre
    1.0 out of 5 stars Noise not good
    Reviewed in the United Arab Emirates on September 12, 2024
    Color: WhiteStyle: EVOVerified Purchase
    No continuous noise
  • Amazon Customer
    5.0 out of 5 stars Easy to use and effective
    Reviewed in Canada on May 20, 2025
    Color: WhiteStyle: EVOVerified Purchase
    Very pleased with the Adaptive Sound Technologies LectroFan Evo. The brown noise works very well for covering the sounds from a busy street. It is very easy to use. Once you select the sound and volume that works for you, all you need to do is turn it on. Your previous selection remains.
  • FM
    5.0 out of 5 stars Difficile de s'en passer
    Reviewed in France on November 13, 2024
    Color: WhiteStyle: EVOVerified Purchase
    Après presque 2 mois d'utilisation, difficile de s'en passer. Je pensais que ce serait gadget mais au final, après le deuil du silence et la difficulté de dormir avec des acouphènes, j'ai voulu investir dans une machine à bruit blanc. J'avais regardé une review et je me suis dis, pourquoi pas. Bien qu'un poil onéreux par rapport à d'autres produits concurrents, la qualité des enceintes avait eu raison de me convaincre.

    En bref, je l'allume toutes les nuits et ça me permet de passer outre ce signal sonore auditif qui rend fou. Il y a une fonctionnalité de minuterie par heure vraiment pas mal et qui s'enchaîne à l'infini (il y a un retour d'un petit bruit qui signifie que c'est pris en compte). Mais si comme moi vous vous réveillez pendant la nuit, c'est mieux de laisser tourner jusqu'au réveil. J'espère juste que cela ne l'usera pas plus vite que si j'utilisais la fonction d'éteinte automatique.

    Je trouve honnêtement le design pas super mais bon, c'est une boîte à poser à côté de soi, c'est pas un objet à regarder donc ce n'est pas un critère essentiel.

    Il y a pas mal de pistes sons possibles donc tout le monde peut y trouver son bonheur et le son est vraiment top, ça peut aller très très fort et la machine est assez petite pour être transporté assez facilement pour voyager.

    Je recommande fortement :)
    Report
  • MC
    5.0 out of 5 stars Allows me to sleep, even if my downstairs neighbours are having a party on a weekday
    Reviewed in the Netherlands on January 13, 2025
    Color: WhiteStyle: EVOVerified Purchase
    I wasn't sure if the amount I was spending on this product would be worth it, but I have to admit I was wrong.

    This has been a real gamechanger for my sleep, a while ago I received a new downstairs neighbour who is incredibly loud at night, parties on weekdays and such. I used to run a fan to have something to filter out the noise, but sometimes not even that would deal with it all.

    This thing however has managed to help me a ton, I am able to sleep far more easily now.
  • R Harwell
    5.0 out of 5 stars Wish I had gotten it sooner
    Reviewed in Germany on April 27, 2025
    Color: WhiteStyle: EVOVerified Purchase
    I've been using a white noise ap on my phone and ipad for the last 10 years but this device here has brought an end to that. Yes, it costs more... but what price can you put on a good night's rest? The stomping from neighbors upstairs is entirely mased by the deep brown noise at full volume.
    Be sure to read the guide to understand how the device works, there are more options than yo umight realise at first.