# Stereo portable speaker Ultimate Ears WONDERBOOM 4 Blue

**URL:** https://aio.lv/en/product--logitech-984-001895--11267359
**Data updated:** 2025-12-30 18:38 (EET)
**Category:** Portable Speakers
**Manufacturer:** Logitech
**Manufacturer code:** 984-001895
**EAN:** 5099206115279
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 110.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 91.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--logitech-984-001895--11267359

## 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 WONDERBOOM 4 is a compact stereo portable speaker in blue, featuring a passive radiator size of 46.1 x 65.2 mm and a maximum sound pressure level of 87 dB. With wireless connectivity and a Bluetooth range of up to 40 meters, it is perfect for universal use. Its cylindrical design makes it easy to carry, providing high-quality sound wherever you go.

## Long description

The Ultimate Ears WONDERBOOM 4 is an ultraportable stereo Bluetooth speaker in blue that delivers a bigger, crisp sound with pronounced bass from a compact cylindrical body. It features a passive radiator (46.1 x 65.2 mm), a maximum sound pressure level of 87 dB and a wireless Bluetooth range up to 40 meters. The speaker offers IP67 dust- and water-resistance, floats on water, and provides up to 14 hours of playtime, making it suitable for both indoor and outdoor use.
Advantages
WONDERBOOM 4 provides full, bass-rich stereo sound from a single compact speaker, with an Outdoor Boost mode for enhanced open-air performance and a Podcast Mode tuned for clear vocals. It supports quick one-tap Bluetooth pairing with Android devices, can be paired with a second WONDERBOOM 4 for true left/right stereo, and uses at least 31% certified post-consumer recycled plastic in its plastic parts. The design is drop-resistant to 5 feet and offers up to 40 meters of wireless range.
Suitable for
Listening to music at home, outdoors, or at small gatherings
Watching podcasts and spoken-word content using Podcast Mode
Poolside or beach use thanks to IP67 water resistance and buoyancy
Portable audio on hikes or travel because of compact size and 14-hour battery life
Key specifications
Model: Ultimate Ears WONDERBOOM 4 (Blue)
Passive radiator size: 46.1 x 65.2 mm
Maximum sound pressure level: 87 dB
Speakers: 1 (stereo tuning and pairing for full stereo)
Wireless: Bluetooth with up to 40 m range
Battery life: up to 14 hours
Ingress protection: IP67 (dustproof and waterproof, floats)
Drop resistance: 5-foot (approx. 1.5 m) drop tested
Weight: 0.42 kg
Product colour: Blue
Environmental: ≥31% certified post-consumer recycled plastic in plastic parts
How to use
Charge the speaker before first use, then turn it on and enable Bluetooth on your device. For quick Android pairing, tap the speaker when prompted for one-tap Bluetooth setup. Use the Outdoor Boost mode for enhanced open-air sound and switch to Podcast Mode for clearer vocals. To create true stereo, power on two WONDERBOOM 4 units, press once to pair them together and press again to assign left and right channels.
Usage recommendations
Do not attempt to connect WONDERBOOM 4 with older WONDERBOOM 1 or 2 models, BOOM, MEGABOOM, or HYPERBOOM units. Rinse off saltwater and dry after beach or pool use; avoid exposing charging port directly to water while charging.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| USB connector type | USB Type-C |
| Bluetooth | Yes |
| AUX in | No |
| Bluetooth range | 40 m |
| USB connectivity | Yes |
| USB charging port | Yes |
| 3.5 mm connector | No |

### Design

| Feature | Value |
|---|---|
| Product colour | Blue |
| Volume control | Buttons |
| Product design | Cylinder |
| On/off switch | Yes |
| Hook | Yes |
| Product type | Stereo portable speaker |

### Packaging content

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

### Performance

| Feature | Value |
|---|---|
| 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) | 46.1 x 65.2 |

### Power

| Feature | Value |
|---|---|
| Battery type | Built-in battery |
| Battery life (max) | 14 h |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 8518220090 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.42 kg |
| Height | 104 mm |
| Width | 95.3 mm |
| Depth | 95.3 mm |

### Audio

| Feature | Value |
|---|---|
| Sound pressure level (max) | 87 dB |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 580 g |
| Package depth | 132 mm |
| Package height | 115 mm |
| Package width | 118 mm |

### Features

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

## FAQ

### How much does the Stereo portable speaker Ultimate Ears WONDERBOOM 4 984-001895 cost, and is it available for purchase?

The price is 110.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 WONDERBOOM 4 984-001895 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/11267359/63796424_large.webp