# Stereo portable speaker Ultimate Ears MEGABOOM 4 — cylinder design, wireless Bluetooth, 45 m range, passive radiator 55×86 mm, black

**URL:** https://aio.lv/en/product--ultimate-ears-984-001981--11443994
**Data updated:** 2026-02-19 13:17 (EET)
**Category:** Portable Speakers
**Manufacturer:** ultimate ears
**Manufacturer code:** 984-001981
**EAN:** 5099206125247
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 165.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 137.18 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ultimate-ears-984-001981--11443994

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Ultimate Ears MEGABOOM 4 is a stereo portable speaker in a cylindrical black enclosure. It features wireless Bluetooth connectivity with A2DP profile and up to 45 m range, a passive radiator sized 55×86 mm and a maximum sound pressure level of 91 dB. Designed for universal use, it delivers robust, room-filling audio for home, outdoor and travel applications and offers straightforward portable operation.

## Long description

Ultimate Ears MEGABOOM 4 is a stereo portable speaker in a cylindrical black enclosure that delivers immersive 360° sound and robust bass. The speaker uses wireless Bluetooth connectivity with the A2DP profile and supports an operating range up to 45 m. It incorporates a passive radiator sized 55×86 mm and produces a maximum sound pressure level of 91 dB. The compact, waterproof and impact-tolerant housing and long battery life make it suitable for home, outdoor and travel use.
Advantages
MEGABOOM 4 features a cylindrical design that radiates sound evenly in all directions, providing spatial stereo coverage without the need to reposition the unit. The passive radiator tuned for lower frequencies delivers deeper, richer bass while preserving clarity. Wireless Bluetooth connectivity enables straightforward pairing and playback from compatible devices using the A2DP profile, and the speaker’s durable build is resistant to water, dust and drops for reliable performance in varied environments.
Suitable for
 Listening to music at home or in small gatherings
 Outdoor activities and trips where portable, loud audio is needed
 Poolside or beach use thanks to water-resistant design
 Portable voice and podcast playback
 Multi-speaker setups when combined via app-based pairing features
Key specifications
 Speaker type: stereo portable speaker, cylindrical enclosure
 Connectivity: wireless Bluetooth with A2DP profile
 Wireless range: up to 45 m
 Passive radiator size: 55 × 86 mm
 Maximum sound pressure level: 91 dB
 Color: black
 Control: on-unit play/pause/skip via magic button and app integration for EQ presets
 Durability: water-, dust- and drop-resistant construction; floatable design
 Battery life: up to 20 hours per charge
How to use
Charge the speaker before first use, then power it on and enable Bluetooth on your source device. Select the MEGABOOM 4 from the device’s Bluetooth list using the A2DP profile to start playback. Use the on-unit controls or the UE \| BOOM app to play, pause or skip tracks and to select or customize EQ presets. For multi-speaker setups, use the app’s pairing feature to link compatible speakers and manage sound distribution.
Usage recommendations
Place the MEGABOOM 4 centrally in listening areas to maximize the 360° sound dispersion. Keep the speaker within the specified Bluetooth range for uninterrupted streaming, and rinse or dry the exterior after exposure to salt water. Use the app to select appropriate EQ modes for music, speech or small enclosed spaces.

## Specifications

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Volume control | Buttons |
| Product design | Cylinder |
| On/off switch | Yes |
| International Protection (IP) code | IP67 |
| Protection features | Dustproof, Splash proof, Waterproof |
| Hook | Yes |
| Product type | Stereo portable speaker |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB Type-C |
| Quick start guide | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| USB connector type | USB Type-C |
| Bluetooth | Yes |
| AUX in | No |
| Bluetooth range | 45 m |
| USB connectivity | Yes |
| 3.5 mm connector | No |

### Performance

| Feature | Value |
|---|---|
| Equalizer | Yes |
| Bass adjustment | Yes |
| Remotely operated | Yes |
| Recommended usage | Universal |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |

### Loudspeakers

| Feature | Value |
|---|---|
| Number of drivers | 4 |
| Number of speakers | 1 |
| Number of passive radiators | 2 |
| Passive radiator size (W x D) | 55 x 86 |

### Power

| Feature | Value |
|---|---|
| Battery type | Built-in battery |
| Battery life (max) | 20 h |

### Features

| Feature | Value |
|---|---|
| LED indicators | Bluetooth |
| Wi-Fi | No |
| Bluetooth profiles | A2DP |

### Audio

| Feature | Value |
|---|---|
| Sound pressure level (max) | 91 dB |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.935 kg |
| Height | 225 mm |
| Width | 87 mm |
| Depth | 87 mm |

## FAQ

### How much does the Ultimate Ears MEGABOOM 4 portable stereo speaker cost, and is it available for purchase?

The price is 165.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 03.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Ultimate Ears MEGABOOM 4 portable stereo speaker be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All ultimate ears products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized ultimate ears service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, number of speakers, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11443994/66156794_large.webp