Monitor Audio Radius 90 3G Bookshelf Speakers – Pair

Monitor Audio Radius compact bookshelf speaker

The Monitor Audio Radius compact bookshelf speaker is engineered to deliver refined high-fidelity sound performance in an ultra-compact and versatile cabinet design. Developed for discreet installation throughout the home, the Radius speaker combines advanced acoustic engineering with premium driver technology to produce detailed, room-filling sound suitable for stereo music systems, home cinema setups, and multi-room audio applications.

Featuring a 4-inch C-CAM bass/mid driver paired with a 1-inch C-CAM Gold Dome tweeter, the Radius speaker delivers balanced frequency response, accurate midrange detail, and smooth high-frequency extension. The lightweight yet rigid C-CAM driver construction minimizes distortion while improving transient response and overall sonic clarity, resulting in precise and dynamic audio reproduction.

The rear-ported HiVe II bass reflex design enhances low-frequency performance by improving airflow efficiency and reducing turbulence within the cabinet. This allows the compact enclosure to reproduce deeper, tighter bass with improved control and speed, making the speaker suitable for both music playback and cinematic applications. When paired with the Radius 380 subwoofer, the system can deliver a more powerful full-range listening experience.

A single through-bolt driver fixing system increases cabinet rigidity and minimizes unwanted vibration, preserving acoustic accuracy even during demanding playback conditions. The compact cabinet is designed for flexible placement on shelves, stands, or wall-mounted installations while maintaining a clean and modern aesthetic.

The Radius speaker also supports optional internal wired stand integration and dedicated mounting solutions, enabling seamless installation in a wide range of environments. Designed for listeners seeking discreet styling without compromising performance, the Monitor Audio Radius delivers clear, detailed, and engaging sound from a compact footprint.

Features of Radius

• Compact high-fidelity speaker design
• 4-inch C-CAM bass/mid driver
• 1-inch C-CAM Gold Dome tweeter
• Rear-ported HiVe II bass reflex system
• Detailed and balanced sound reproduction
• Reduced distortion driver technology
• Tight and controlled bass response
• Single through-bolt driver fixing
• Improved cabinet rigidity
• Compact bookshelf-friendly cabinet
• Suitable for stereo audio systems
• Compatible with Radius 380 subwoofer
• Wide sound dispersion characteristics
• Flexible wall-mount installation support
• Single-point wall fixing integration
• Optional internal wired stand support
• Designed for multi-room audio applications
• Accurate high-frequency performance
• Modern low-profile cabinet design
• Optimized for discreet placement

Specifications of Radius