ULTIMATE EARS WONDERBOOM 4 – COBALT BLUE

Product Description Overview

The UltimateEarsWonderboom4 is a compact and rugged portable Bluetooth speaker from Ultimate Ears, celebrated for its ultra-portable form and outdoor-ready durability. Building on the companys strong heritage in all-terrain audio solutions, this fourth edition refines core features such as 360 sound projection, USB-C charging, and a durable IP-rated build, making it an ideal companion for travel, outdoor fun or poolside listening.

Key Specifications & Highlights

This speaker measures approximately 104 95.3 95.3 mm and weighs about 420 g, allowing for easy carry, backpack or hand-loop clipping. It features dual 40 mm active drivers with twin passive radiators for full 360 sound dispersion. Battery life is rated up to 14 hours per charge. A USB-C charging port replaces older micro-USB on previous models. It supports Bluetooth connectivity (around 40 m wireless range claimed) and features Outdoor Boost and new Podcast modes for tailored sound. The chassis is rated IP67 for dust and water resistance, and it floats in water with the ability to withstand 1m submersion for 30minutes. A built-in elastic loop makes it clip-friendly for on-the-go use.

Performance Summary

In real-world use the Wonderboom 4 delivers pleasantly robust audio considering its size, with strong mid-range clarity and a punchy low end for its class. The 360 soundstage ensures consistent audio around the speaker, and the Outdoor Boost mode enhances presence in open-air environments. Reviewers have praised its durability, portability and ease of use with minimal setup. Some limitations include the lack of app support and no built-in microphone for calls. Battery life in field use often exceeds the rated 14hours under moderate volume, making it dependable for daily outings.

Consumer Appeal

This speaker is ideal for active users seeking a portable audio companion that can keep up with an outdoor lifestylewhether hiking, beach days, poolside lounging or casual home use. It appeals to anyone who prioritises durability, water/dust resistance, travel-friendly size, and dependable battery life without over-complicating connectivity. For those who want big sound from a small package and the ability to clip the speaker to a bag or strap, this model is a compelling choice.

Availability & Notes

The Ultimate Ears Wonderboom 4 is available through authorised Ultimate Ears and Logitech-partner retailers in many regions including Singapore. Availability, colour options, bundle inclusions and regional warranty terms may vary, so prospective buyers are encouraged to check current local listings to confirm stock, accessories, and support before purchasing.