LectroFan Classic vs EVO

For a new bedside machine, choose LectroFan EVO if you want wired headphones or a pillow speaker, ocean sounds, or controls on top. Keep or choose LectroFan Classic if you only want physical controls for fan and noise sounds: EVO does not add a new brown-noise library. Both offer ten fan sounds and ten noise variations including pink and brown; EVO adds two ocean sounds, bringing the total from 20 to 22, according to ASTI's model comparison.

• 20Classic sounds: ten fan sounds and ten noise variations
• 22EVO sounds: the same core choices plus two ocean sounds

Quick picks

• Choose EVO for wired listening: its analog audio output is the decisive addition for a pillow speaker or headphones. Confirm the receiving device's connector before ordering.
• Choose Classic for its core sound choices: it already includes fan, white, pink and brown noise. We would keep a working Classic unless an EVO addition solves a specific problem.
• Choose EVO for access from above: ASTI moved the control panel to the top. That is a useful reason to prefer it if you dislike reaching toward a bedside machine's front.

Neither recommendation is a speaker-quality ranking. This comparison is based on maker documentation, without a listening trial or comparable loudness measurements.

Classic vs EVO at a glance

Compare specifications and all conditions

LectroFan Classic

Sound choices

20: ten fan sounds and ten noise variations

Pink and brown noise

Included

Audio output

No jack listed; ASTI identifies it as an EVO addition

All specifications

Physical operation

Fan, noise, volume, power and timer buttons

Continuous play

Yes, unless the timer is set

Timer

Adds 60 minutes per press; no duration limit per Classic FAQ

USB connection

Power only, using adapter or powered USB port

Published size

4.4 × 4.4 × 2.2 inches

LectroFan EVO

Sound choices

22: ten fan sounds, ten noise variations, Ocean and Surf

Pink and brown noise

Included; same core sounds as Classic

Audio output

3.5 mm analog output for compatible external audio devices

All specifications

Physical operation

Fan, noise, volume, power and timer buttons; panel on top

Continuous play

Yes, unless the timer is set

Timer

Adds one hour per press; eight-hour maximum

USB connection

Power only, using adapter, PC or powered USB hub

Published size

Conflicting size entries on the maker's page; see below

Full comparison table ↔

Swipe to compare. Row labels stay visible.

Feature	LectroFan Classic	LectroFan EVO
Sound choices	20: ten fan sounds and ten noise variations	22: ten fan sounds, ten noise variations, Ocean and Surf
Pink and brown noise	Included	Included; same core sounds as Classic
Audio output	No jack listed; ASTI identifies it as an EVO addition	3.5 mm analog output for compatible external audio devices
Physical operation	Fan, noise, volume, power and timer buttons	Fan, noise, volume, power and timer buttons; panel on top
Continuous play	Yes, unless the timer is set	Yes, unless the timer is set
Timer	Adds 60 minutes per press; no duration limit per Classic FAQ	Adds one hour per press; eight-hour maximum
USB connection	Power only, using adapter or powered USB port	Power only, using adapter, PC or powered USB hub
Published size	4.4 × 4.4 × 2.2 inches	Conflicting size entries on the maker's page; see below

Feature	LectroFan Classic	LectroFan EVO
Sound choices	20: ten fan sounds and ten noise variations	22: ten fan sounds, ten noise variations, Ocean and Surf
Pink and brown noise	Included	Included; same core sounds as Classic
Audio output	No jack listed; ASTI identifies it as an EVO addition	3.5 mm analog output for compatible external audio devices
Physical operation	Fan, noise, volume, power and timer buttons	Fan, noise, volume, power and timer buttons; panel on top
Continuous play	Yes, unless the timer is set	Yes, unless the timer is set
Timer	Adds 60 minutes per press; no duration limit per Classic FAQ	Adds one hour per press; eight-hour maximum
USB connection	Power only, using adapter or powered USB port	Power only, using adapter, PC or powered USB hub
Published size	4.4 × 4.4 × 2.2 inches	Conflicting size entries on the maker's page; see below

Sources: Classic product page, Classic manual, EVO manual and the separate Classic and EVO sections of ASTI's FAQ.

Best for fan and noise sounds alone: LectroFan Classic

The Classic is our pick when you want to select a sound, adjust its volume and leave it playing. ASTI describes its fan and noise sounds as digitally synthesized and non-looping; these are electronic fan sounds rather than air from a mechanical fan. It already offers the twenty core choices that ASTI says EVO retains. (LectroFan range)

The Classic manual shows separate fan and noise buttons, volume up/down, power and timer controls. Its setup uses a USB cable and power adapter, with a PC or laptop also allowed as a power source. There is no phone setup step in that procedure. For someone who wants physical sound controls, that is already the relevant functionality; buying EVO is a choice about its specific additions.

One useful ownership detail: switch Classic off with its power button after changing settings. The manual says settings are saved that way, but not by simply unplugging it. Remember this before putting it on a switched power strip.

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Best for wired listening and ocean sounds: LectroFan EVO

EVO is our more flexible pick for a new buyer who expects to use its audio output or surf choices. ASTI documents a top-mounted control panel and an angled speaker grille, alongside the same core fan and noise sounds. Those changes do not establish that its speaker sounds better; we would choose it for the features you will actually use. (Maker comparison)

The EVO manual puts Ocean and Surf after the ten noise variations, reached with the noise button. It also lets you browse sounds backward by holding the noise or fan button for three seconds. That can be useful when you overshoot a favorite. Like Classic, EVO saves settings when switched off with its power button, rather than by disconnecting power.

See LectroFan EVO at the maker

Sounds: brown noise is not an EVO exclusive

You do not need EVO just to get brown noise. The Classic page explicitly includes pink and brown among its noise variations, and ASTI's range page says EVO has the same twenty core sounds plus two surf sounds. We would not replace Classic solely to gain more fan or colored-noise choices.

EVO's manual names the extra options Ocean and Surf; its noise list starts with Brown. Do not mistake the manual's twelve noise-button choices for twelve colored noises: that bank includes the two ocean choices. Our white vs pink vs brown noise guide explains noise colors if you are still deciding what sort of sound you want.

EVO audio jack: check the receiving device

EVO's side connection is a 3.5 mm analog output, not an audio input. Its manual supports a pillow speaker, portable speaker or headphones, while ASTI's audio-jack FAQ specifies a powered portable speaker or a device with a line-level 3.5 mm input. The manual says an external speaker connection turns off EVO's built-in speaker.

• Yes: Wired headphones with a compatible 3.5 mm plug
• Yes: Pillow speaker with a compatible analog connection
• Yes: Powered portable speaker with a line-level 3.5 mm input
• No: Feeding phone audio into EVO through this output jack

For a gift, ask the recipient to identify their actual listening device before choosing the machine. A headphone-shaped icon is not enough to establish compatibility: match the wired plug and input to the documented connection. Do not assume this jack pairs with wireless earbuds. ASTI documents wired analog output here; Bluetooth-only listening is not established by these instructions.

Timers and volume: different limits, same continuous option

The Classic timer starts at 60 minutes, with another 60 minutes added for each press; its FAQ says there is no duration limit. EVO adds one hour per press and stops at eight hours, confirmed by both its FAQ and manual. Neither requires a timer: both manuals describe continuous play until you choose otherwise.

On EVO, a rising tone acknowledges the timer and a falling tone signals its maximum; turning it off and on cancels the timer. Classic acknowledges a timer press with a dip in the sound. Count presses deliberately rather than borrowing instructions from the other model's FAQ.

Both manuals show volume up/down controls, but these documents do not provide comparable speaker measurements for a louder-or-quieter verdict. Choose on controls and connections rather than assuming a larger model name means a better masking result.

Power, dimensions and travel checks

Both manuals describe USB power, not USB audio. EVO explicitly needs a connected power source and permits the supplied adapter, a PC or a powered USB hub. Its power receptacle is underneath; the side jack is audio output, as ASTI's EVO power FAQ explains. Route the power cable before judging how conveniently it fits your nightstand.

The maker's Classic page lists 110 V AC, USB, while its international-power FAQ says included AC supplies accept 100–240 V, 50–60 Hz. Check the actual adapter's input label before travel. ASTI says the standard supply has a North American two-blade plug, so a compatible voltage rating does not remove the need to check the destination's socket.

Both manuals also contain a generic safety line mentioning AA batteries, although their setup sections describe USB power and EVO expressly requires a connected source. Do not use that isolated line as evidence of battery operation. For cordless use, start with our portable sound-machine guide: the separate Micro2 product page describes a built-in battery and Bluetooth streaming. ASTI's range page now calls its travel option Micro2+; match the exact generation before ordering.

Buying guide: variants and a gift-listing checklist

For EVO, ASTI's product-page variant data identifies White as ASM1020-WW and Black as ASM1020-KK. Match that color suffix as well as the EVO name. A Classic listing is not an EVO color variant, and the separate portable Micro2 family should not be substituted just because it also says LectroFan.

Check the package, too. EVO's product page lists only “AC adapter” under package contents, whereas its manual names the guide, adapter and USB cable accompanying the machine. Confirm a complete machine with its matching power cable and adapter before buying a gift. ASTI separately describes a LectroFan Global Power Edition with US, EU and UK plug adapters; do not assume that kit comes with standard EVO.

1. 1

   Match model and color

   For EVO, compare the ASM1020 color suffix with the selected version.

2. 2

   Confirm a complete unit

   Check for the machine, matching USB cable and AC adapter in the package description.

3. 3

   Check the destination plug

   Match the included power supply to the recipient's outlet before wrapping it.

Use the same checks on a holiday listing. Decide whether the recipient needs external audio, and verify the exact model and included parts before following a promotion. For alternatives beyond this pair, our best white noise machines compares other machine types.

How we choose

We compare official product pages, model-specific manuals, variant data and FAQs. We prioritize documented connections, sound choices, controls and power requirements over promotional descriptions. Conflicting maker entries remain visible instead of becoming a guessed specification. This is a document-based recommendation; we have no listening results or measured speaker comparison to add. Read our full selection method.

Verdict

Get EVO for its wired audio output, Ocean and Surf, or top-mounted controls. Keep Classic if its existing fan and noise choices are all you need. Brown noise is available on both, and neither needs its optional timer enabled for continuous play. For a gift, the right connection and complete power kit matter more than the word “EVO.”