Logitech 984-001877  Ultimate Ears WONDERBOOM 4 Bluetooth Speaker

Overview

The Logitech 984-001877 Ultimate Ears WONDERBOOM 4 is a compact wireless Bluetooth speaker designed for portable audio applications in outdoor, travel, recreational, and mobile work environments. It delivers 360-degree sound coverage from a rugged enclosure engineered to withstand water, dust, and accidental drops.

The speaker utilizes dual 40 mm active drivers and dual passive radiators to produce balanced audio with enhanced bass response. Bluetooth wireless connectivity supports operation at distances up to 131 feet (40 meters) under optimal conditions. Battery runtime is rated for up to 14 hours per charge.

Its IP67-rated construction allows the speaker to be submerged in water and continue floating, making it suitable for poolside, outdoor event, and field-use deployments. Outdoor Boost and Podcast Mode optimize audio performance for different listening environments.

The WONDERBOOM 4 is compatible with Bluetooth-enabled smartphones, tablets, and computers. It is not intended for large conference rooms, fixed commercial audio installations, or applications requiring wired audio interfaces.

Key Features

• Dual 40 mm drivers with passive bass radiators
• Up to 14 hours battery runtime per charge
• IP67 waterproof and dustproof construction
• Bluetooth wireless range up to 131 feet
• Outdoor Boost mode for enhanced outdoor audio