Detailed Specifications
Logitech 984-001879 Ultimate Ears WONDERBOOM 4 Speaker
Overview :
The Ultimate Ears WONDERBOOM 4 is a ruggedized, portable wireless speaker designed for audio delivery in diverse environments, ranging from office break areas to outdoor field deployments. It addresses the need for high-clarity, 360-degree sound in a compact, weather-resistant chassis.
This unit features integrated digital signal processing (DSP) and active drivers to maintain balanced audio output. It supports two distinct EQ modes: a standard profile and an Outdoor Boost mode specifically tuned to maintain frequency response in open-air settings. Additionally, a dedicated Podcast Mode is available for optimized vocal clarity.
The device is IP67-rated, ensuring protection against dust ingress and immersion in water for up to 30 minutes, and it is capable of floating. It is suitable for mobile professionals or static installations requiring a durable, battery-powered playback solution.
Compatibility is established via Bluetooth A2DP for smartphones, tablets, and computers. It is not designed for wired analog signal input. Users can pair two WONDERBOOM 4 units for synchronized stereo output.
Key Features :
360-degree audio output with dual 40mm active drivers.
IP67-rated waterproof and dustproof exterior construction.
14-hour continuous playback on a single battery charge.
Integrated Outdoor Boost and Podcast equalizer presets.
Wireless pairing support for dual-speaker stereo deployment.
Specifications :
| Feature | Specification |
| Brand | Ultimate Ears |
| Part Number | 984-001879 |
| Product Type | Portable Bluetooth Speaker |
| Battery Life | Up to 14 Hours |
| Charging Interface | USB-C |
| Wireless Range | 131 Feet (40 Meters) |
| Max Sound Level | 86 dBC (Normal) / 87 dBC (Outdoor) |
| Drivers | 2x 1.57 in Active, 2x Passive Radiators |
| IP Rating | IP67 (Water and Dust) |
| Connectivity | Bluetooth A2DP |
| Housing Material | Min 31% Recycled Plastic |
| Compatibility | Bluetooth-enabled mobile/desktop devices |
| Drop Protection | Tested up to 5 Feet (1.5 Meters) |
