Logitech 984-002004 Ultimate Ears BOOM 4 Portable Bluetooth Speaker

Overview

The Logitech 984-002004 Ultimate Ears BOOM 4 is a rugged portable Bluetooth speaker engineered for users who require reliable wireless audio in indoor and outdoor environments. Designed with Ultimate Ears' signature 360-degree sound architecture, it delivers balanced audio coverage for gatherings, travel, recreational activities, and mobile entertainment applications.

The speaker features dual 1.6-inch full-range drivers and dual passive radiators to produce clear audio and enhanced bass response. Bluetooth connectivity supports wireless streaming from compatible mobile devices at ranges up to 147 feet under optimal conditions. A rechargeable lithium-ion battery provides up to 15 hours of playback between charges.

BOOM 4 is designed for outdoor deployment with an IP67-rated enclosure that provides protection against dust and water. The speaker can float in water and withstand accidental drops, making it suitable for poolside, beach, travel, and outdoor event use. Support for PartyUp pairing allows expansion with compatible Ultimate Ears speakers for larger listening areas.

The speaker is compatible with Bluetooth-enabled smartphones, tablets, and computers. It is not intended for permanently installed commercial audio systems or applications requiring wired audio inputs.

Key Features

• Dual full-range drivers deliver balanced 360° audio
• IP67 rating protects against dust and water
• Up to 15 hours of battery-powered playback
• Bluetooth range reaches up to 147 feet
• PartyUp pairing expands audio coverage area

Specifications