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header-product Stereo portable speaker Ultimate Ears WONDERBOOM 4 — Bluetooth, 40 m range, passive radiator 46.1×65.2 mm, 87 dB, blue, cylinder
79.99 €

Stereo portable speaker Ultimate Ears WONDERBOOM 4 — Bluetooth, 40 m range, passive radiator 46.1×65.2 mm, 87 dB, blue, cylinder

Ultimate Ears WONDERBOOM 4 984-001895 Photo 1
Ultimate Ears WONDERBOOM 4 984-001895 Photo 2
Ultimate Ears WONDERBOOM 4 984-001895 Photo 3
Ultimate Ears WONDERBOOM 4 984-001895 Photo 1
Ultimate Ears WONDERBOOM 4 984-001895 Photo 2
Ultimate Ears WONDERBOOM 4 984-001895 Photo 3
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Stereo portable speaker Ultimate Ears WONDERBOOM 4 — Bluetooth, 40 m range, passive radiator 46.1×65.2 mm, 87 dB, blue, cylinder

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Stereo portable speaker Ultimate Ears WONDERBOOM 4 — Bluetooth, 40 m range, passive radiator 46.1×65.2 mm, 87 dB, blue, cylinder

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Short description

The Ultimate Ears WONDERBOOM 4 is a stereo portable speaker in a compact cylindrical design. It offers wireless Bluetooth connectivity (A2DP) with up to 40 m range and a single speaker driver plus a passive radiator sized 46.1 × 65.2 mm. Maximum sound pressure level is 87 dB. Weighing 0.42 kg and finished in blue, it is suited for universal everyday use — indoor listening, small gatherings and outdoor portability.
Available for order: 15 pcs.
Warranty: 2 Years
SKU: 11695191
delivery
to the Customer Service Center at Kengaraga 2b, Riga
08.07.2026 {{selectedOffer.officeDeliveryString}}
free
Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
08.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
13.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.42 kg)
Parcel couriers
Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts nodaļa
13.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 2.22 euros per month
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Product information

Description

The Ultimate Ears WONDERBOOM 4 is a stereo portable speaker in a compact cylindrical design, finished in blue and weighing 0.42 kg. It delivers a single full-range driver with a passive radiator sized 46.1 × 65.2 mm and a maximum sound pressure level of 87 dB. The speaker connects wirelessly via Bluetooth (A2DP) with up to 40 m range and supports quick one‑tap pairing with compatible Android devices. Designed for everyday portability, the WONDERBOOM 4 offers up to 14 hours of playback, IP67 dust and water protection, floatation in water, and impact resistance to drops of up to 5 feet.

Advantages

The speaker combines compact size with a larger-than-expected stereo sound and pronounced bass thanks to its passive radiator. Outdoor Boost mode optimizes audio for open environments, while a dedicated Podcast Mode improves vocal clarity for spoken-word content. Long battery life and a robust IP67 rating make the speaker suitable for both indoor listening and outdoor activities, and the ability to pair two units enables true left/right stereo playback.

Suitable for

  • Portable music listening at home, in the park, or on trips
  • Small social gatherings and outdoor parties
  • Podcasts, spoken-word content, and voice-forward audio
  • Poolside, beach, hiking, and shower use thanks to IP67 protection and floatation
  • Quick pairing and paired stereo use with a second WONDERBOOM 4

Key specifications

  • Speaker type: stereo portable speaker, cylindrical enclosure
  • Driver configuration: single driver with passive radiator (46.1 × 65.2 mm)
  • Maximum sound pressure level: 87 dB
  • Wireless: Bluetooth (A2DP), up to 40 m range
  • Battery: rechargeable Lithium‑Ion, up to 14 hours playback
  • Protection: IP67 dust and water resistant; floats in water
  • Durability: drop resistance up to 5 feet
  • Weight: 0.42 kg
  • Color: blue

How to use

Charge the speaker fully before first use using the supplied charging cable. Turn the speaker on and enable Bluetooth on your source device, then use one‑tap pairing on compatible Android devices or select the WONDERBOOM 4 from the Bluetooth menu to establish a connection. Use the onboard controls to play, pause, adjust volume, and activate Outdoor Boost or Podcast Mode as needed. To create a wider stereo image, power on two WONDERBOOM 4 speakers, pair each to the source and press the pairing button once to link them, then press again to switch to two‑channel left/right stereo.

Usage recommendations

For best vocal clarity when listening to podcasts, enable Podcast Mode. Use Outdoor Boost when listening in open spaces to maintain presence and bass. Rinse the speaker with fresh water after exposure to salt water and ensure charging ports are dry before plugging in. Avoid exposing the speaker to excessive heat and allow the battery to fully charge periodically to preserve battery health.

Specifications

Weight:
0.42 kg
Number of speakers:
1
Product colour:
Blue
All features

Ports & interfaces

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

Product colour:
Blue
Volume control:
Buttons
Product design:
Cylinder
On/off switch:
Yes
Hook:
Yes
Product type:
Stereo portable speaker

Packaging content

Cables included:
USB Type-C
Quick start guide:
Yes

Performance

Recommended usage:
Universal

Battery

Battery technology:
Lithium-Ion (Li-Ion)

Loudspeakers

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

Battery type:
Built-in battery
Battery life (max):
14 h

Logistics data

Harmonized System (HS) code:
8518220090

Weight & dimensions

Weight:
0.42 kg
Height:
104 mm
Width:
95.3 mm
Depth:
95.3 mm

Audio

Sound pressure level (max):
87 dB

Packaging data

Package weight:
580 g
Package depth:
132 mm
Package height:
115 mm
Package width:
118 mm

Features

LED indicators:
Bluetooth
Wi-Fi:
No
Bluetooth profiles:
A2DP

Description

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Customer reviews

Customer questions

FAQ

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

The price is 79.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 08.07.2026 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 WONDERBOOM 4 984-001895 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Ultimate Ears WONDERBOOM 4 984-001895 online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
warranty
Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.