# Stereo portable speaker Ultimate Ears BOOM 4 Blue

**URL:** https://aio.lv/en/product--logitech-984-001977--11451619
**Data updated:** 2026-01-09 12:24 (EET)
**Category:** Portable Speakers
**Manufacturer:** Logitech
**Manufacturer code:** 984-001977
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 144.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 119.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--logitech-984-001977--11451619

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Ultimate Ears BOOM 4 is a wireless stereo portable speaker featuring a 4 cm driver and a passive radiator for enhanced bass. With a maximum sound pressure level of 85 dB and a Bluetooth range of up to 45 m, it delivers powerful sound anywhere. Its cylindrical design in blue makes it stylish and easy to carry, perfect for universal use.

## Long description

The Ultimate Ears BOOM 4 is a compact stereo portable speaker in blue with a cylindrical design that delivers 360° spatial sound. It combines a 4 cm driver with a passive radiator to enhance bass, offers up to 15 hours of battery life per charge, and supports Bluetooth wireless streaming with a range up to 45 m. The speaker is IP67-rated for waterproof, dustproof, floatable and drop-proof use and includes recycled plastic in its construction.
Advantages
BOOM 4 produces clear, balanced audio at every volume thanks to Ultimate Ears audio processing, with deep accurate bass and several preset EQ modes accessible via the UE \| BOOM App. It supports one-touch music controls on the speaker, can pair wirelessly with over 150 compatible speakers using PartyUp, and has durable, travel-ready protection (IP67) combined with a lightweight 0.62 kg body.
Suitable for
Listening to music at home or outdoors
Small gatherings and parties
Portable use for travel, beach, or pool (floatable and waterproof)
Connecting multiple speakers for larger sound coverage
Key specifications
Product type: Stereo portable Bluetooth speaker
Driver: 4 cm driver with passive radiator for enhanced bass
Maximum sound pressure level: 85 dB
Bluetooth range: up to 45 m
Battery life: up to 15 hours per charge
Durability rating: IP67 (waterproof, dustproof, floatable, drop-proof)
Weight: 0.62 kg
Colour: Blue
Compatibility: UE \| BOOM App for EQ presets, PartyUp for multi-speaker pairing
How to use
Charge the BOOM 4 fully before first use, then power it on and pair with your device via Bluetooth. Control playback directly from the speaker using the one‑touch control for play, pause, and track skip, or adjust sound and EQ presets through the UE \| BOOM App. Use PartyUp in the app to link multiple compatible speakers for synchronized playback. For beach or pool use, ensure caps and ports are securely closed before exposing the speaker to water.
Usage recommendations
Place the BOOM 4 vertically in an open space to ensure even 360° sound dispersion. Avoid prolonged submersion beyond IP67 limits and rinse with fresh water after exposure to salt water; dry the speaker before charging.

## Specifications

### Performance

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

### 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 |

### Design

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

### Battery

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

### Loudspeakers

| Feature | Value |
|---|---|
| Number of drivers | 4 |
| Driver diameter | 40 mm |
| Number of speakers | 1 |
| Number of passive radiators | 2 |
| Passive radiator size (W x D) | 46.1 x 65.2 |

### Power

| Feature | Value |
|---|---|
| Battery type | Built-in battery |
| Battery life (max) | 15 h |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.62 kg |
| Height | 184 mm |
| Width | 73 mm |
| Depth | 73 mm |

### Audio

| Feature | Value |
|---|---|
| Sound pressure level (max) | 85 dB |

### Features

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

## FAQ

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

The price is 144.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 17 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 01.07.2026 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 Stereo portable speaker Ultimate Ears BOOM 4 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 Logitech 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 Logitech 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/11451619/66144562_large.webp