Bigger bass, still pocketable. The ewa a20 steps up the mini-speaker game with Bluetooth 5.2, a 5W output, and a passive bass radiator design that pushes low frequencies harder than typical mini speakers — all in a solid metal body about the size of a small cube (~62 × 63 × 64.5 mm). The ewa a20 is the mini for bass lovers in small spaces who refuse to choose between size and low end.
Its passive bass radiator works with the main driver to deepen bass response, so hip-hop, EDM, and movie soundtracks hit with more weight — and the metal housing adds resonance and durability. A 600mAh battery gives up to ~4 hours at moderate volume and refills in ~2 hours over Type-C, while Bluetooth 5.2 keeps the connection stable and efficient at ~10 meters.
The rest of this page walks through the bass radiator, Bluetooth 5.2, the honest battery, the internals, and the full specs. Every figure below — 5W output, passive bass radiator, Bluetooth 5.2, 600mAh, ~4h playback, ~2h Type-C recharge, ~62 × 63 × 64.5 mm, ~335g — is taken from the verified research notes for the ewa a20, and nothing here is invented. One honest note: ~4 hours suits evenings and outings, not all-day marathons — and at ~335g it is the heaviest mini here, a sign of the serious driver inside.
Deep Bass, Small Body

The card above states the headline: “Deep Bass, Small Body,” with the subline “Passive bass radiator moves more air” and the “Bass Radiator” chip. Its passive bass radiator works with the main 5W driver to deepen bass response — the radiator is a tuned diaphragm that moves air sympathetically, adding low-end weight no sealed mini box can fake.
The result: hip-hop, EDM, and movie soundtracks hit with more weight than any typical mini speaker manages. This is the bass pick of the EWA minis — small body, serious low end.
Bluetooth 5.2

The card above states the wireless promise: “Bluetooth 5.2,” with the subline “Stable, efficient wireless connection” and the matching chip. Its Bluetooth 5.2 brings a stable, efficient connection to phones, tablets, and laptops with ~10m range.
Bluetooth 5.2 is the newest wireless in the EWA mini line — faster pairing, a steadier link, and better power efficiency than 5.0. This page claims exactly the 5.2 figure the verified notes carry, nothing higher.
600mAh Battery

The card above states the battery promise: “600mAh Battery,” with the subline “~4 hours of playtime on a charge,” the “600mAh Cell” chip, and the footnote “Playback time per manufacturer specs.” The ewa a20’s 600mAh battery gives up to ~4 hours at moderate volume and refills in ~2 hours over Type-C.
The honest note holds: ~4 hours suits evenings and outings, not all-day marathons. Crank the bass and the volume and the number drops — that is true of every speaker, and this page does not pretend otherwise.
Anatomy of the A20

The infographic above — an illustrative reconstruction — maps the ewa a20’s construction with leader-line callouts: the top grille, the speaker driver, the bass radiator, the 600mAh battery, and the control board. Five callouts, five verified components.
The exploded view shows why this is the heavyweight: a serious driver, a dedicated passive radiator, and a 600mAh cell in a metal bell body. The diagram visualizes the architecture — not a teardown photo.
Every Detail, Verified

The infographic above lays out the ewa a20’s headline specs with dot-endpoint callouts: the carry handle, the top grille, the 5W output, and Bluetooth 5.2. Footnoted “Specs per manufacturer · Illustrative reconstruction.”
Four callouts, four verified facts: a handle for grab-and-go, a grille that breathes, 5W of bass-radiator output, and Bluetooth 5.2. The card says the same as the copy — no more, no less.
Goes Where You Go

The infographic above maps the ewa a20’s day in a flat-lay scene: desk, commute, music, calls. Home theater corner for movie nights, executive desk for work, carried by the handle for the commute — the ewa a20’s arched handle makes it the grab-and-go mini with real bass.
The use cases tell you who the ewa a20 is for: bass lovers in small spaces — desks, shelves, and rooms where a big speaker will not fit but big sound still matters.
Inside the EWA A20

The x-ray above is an illustrative reconstruction of the ewa a20’s internals — not a teardown photo — rendered with a transparent shell and glowing components. The headline is “Inside the EWA A20,” and leader-line callouts mark the speaker driver, the bass radiator, and the 600mAh battery. Footnoted “*per manufacturer · Illustrative reconstruction.”
The engineering story is the ewa a20 in miniature: a driver and a passive radiator working together for the deep bass, a battery cell behind the ~4-hour figure, all in a pocket-scale metal body. A visualization of the architecture, not disassembled hardware.
Big Sound, Tiny Body

The close-up above — an illustrative reconstruction, footnoted as such — zooms into the part of the ewa a20 that makes the low end: the speaker driver and the passive bass radiator, glowing side by side in the render. The card’s headline is “Big Sound, Tiny Body.”
The radiator is this mini’s edge: it moves more air for deeper low end without a bigger box or a bigger battery. The notes credit exactly this passive-radiator design — no invented driver figures, no invented wattage beyond the verified 5W.
Feel the Bass

The promo above is this mini’s thesis in three words: “Feel the Bass,” with the subline “5W output with passive radiator” and the “5W Output” chip. Small body. Serious bass. The passive radiator is what makes both true at once.
Who the ewa a20 Is For
You are a bass lover in a small space who refuses to choose between size and low end. The ewa a20 is for the desk listener, the movie-night regular, and the rooftop regular who wants hip-hop and EDM to hit with real weight. Your priorities are deeper bass from a mini body (the passive radiator delivers it), the newest Bluetooth 5.2, and a solid metal build with a carry handle.
It is not for everyone. If you need all-day battery, ~4 hours will not cover you. If you want the lightest pocket floater, the ewa a20 is the heaviest mini in the line at ~335g. But if your question is “how much bass can fit on a desk?” — the ewa a20’s passive radiator is the honest answer.
Specifications
| Brand | EWA |
|---|---|
| Model | ewa a20 — mini Bluetooth speaker with passive bass radiator |
| Type | Compact metal mini speaker with passive bass radiator and carry handle |
| Sound | 5W output; passive bass radiator for deeper low end |
| Bluetooth | Version 5.2; about 10-meter range; pairs with phones, tablets, laptops |
| Battery | 600mAh — up to ~4 hours of playback at moderate volume (per manufacturer) |
| Charging | About 2 hours over Type-C |
| Size & weight | About 62 × 63 × 64.5 mm; about 335g (per manufacturer) |
| Build | Solid metal body with rounded cube-like form; arched carry handle |
| Ports | Type-C charging port; audio input (visible on reference photos) |
| Colours | Black / Grey / Silver — pick your variation at checkout |
| Warranty | a 7-day store warranty |
All figures are taken from the verified research notes for the ewa a20 — the 5W output, the passive bass radiator, Bluetooth 5.2, the 600mAh cell, the ~4h playtime, the ~2h Type-C recharge, the ~62 × 63 × 64.5 mm size, and the ~335g weight. The page’s frequency-response line is ambiguous, so this listing claims no frequency range — the store has been asked to confirm and restate it. Nothing else in this table or on this page is invented.
Why Buy From Gadget Superb
Order the ewa a20 from Gadget Superb with cash on delivery anywhere in Bangladesh — pay in cash when the parcel arrives, with no advance payment, card details, or OTPs ever asked. Delivery takes 1–3 working days inside Dhaka (৳70) and 2–5 working days outside Dhaka (৳120). Every order carries 7-day easy returns: keep the speaker in original condition with the box and accessories, and start a return with your order number via hotline 09638054751, care@gadgetsuperb.com, or Messenger.
Explore the full Audio Electronics collection or compare Bluetooth Speakers to find the right fit.
Frequently Asked Questions
What is a passive bass radiator on the ewa a20?
A passive bass radiator is a tuned diaphragm that moves air sympathetically with the main driver, deepening bass response without a bigger box or a second powered driver. On the ewa a20 it works with the 5W driver so hip-hop, EDM, and movie soundtracks hit with more weight than typical mini speakers manage.
How long does the ewa a20 battery last?
Up to ~4 hours of playback at moderate volume from the 600mAh battery, per manufacturer specs — stated honestly everywhere on this page. Evenings and outings are plenty; all-day marathons need a top-up. A full recharge takes about 2 hours over Type-C.
How big and heavy is the ewa a20?
About 62 × 63 × 64.5 mm and about 335g, per the manufacturer figures. It is the heaviest mini in the EWA line — a sign of the serious driver inside — with an arched carry handle so it still travels easily. Less of a pocket floater than its smaller siblings, more of a grab-and-go bass box.
What Bluetooth version does the ewa a20 use?
Bluetooth 5.2 — the newest wireless in the EWA mini line — with about 10 meters of range. Pairing is quick and the connection is stable and efficient on phones, tablets, and laptops.
Does the ewa a20 have a carry handle?
Yes — the ewa a20’s metal bell body has an arched carry handle, verified on the reference photos. Grab it and go: desk, commute, rooftop, poolside.
What can I plug into the ewa a20?
The reference photos show a Type-C charging port and an audio input on the side of the ewa a20. Wireless comes first — Bluetooth 5.2 — with the wired input as backup.
What colours does the ewa a20 come in?
Black, Grey, and Silver — this is a variable product, so pick your colour variation at checkout. The photos on this page show the Black and Silver finishes. The parent copy here describes the model itself, so it stays true whichever variation you choose.
Is the ewa a20 waterproof?
No water-resistance rating is published for the ewa a20, so this listing makes no water claim. It is a desk, shelf, and indoor speaker with a solid metal body — keep it away from splashes and rain.
What is the ewa a20’s frequency response?
The store page’s frequency-response line is ambiguous, so this listing claims no frequency range — the store has been asked to confirm and restate it clearly. What is verified is the 5W output with the passive bass radiator, which is the audible story anyway.
Does the ewa a20 have a microphone for calls?
No built-in microphone is listed in the verified specs for this model, so this listing claims none. The ewa a20 is positioned for music and media — if hands-free calling matters to you, confirm with the store before ordering.
What warranty does the ewa a20 come with?
The ewa a20 comes with a 7-day store warranty. If a warranty matters to you, confirm the terms with the store — hotline 09638054751, care@gadgetsuperb.com, or Messenger — before placing your order.
What is the price of the ewa a20 in Bangladesh?
The current price is shown on the product page and can change during sales, so no figure is quoted here. Check the live ewa a20 page on Gadget Superb for today’s price — that is what you pay in cash on delivery, plus the standard delivery fee.















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