The world of audio is ever-evolving, and Monitor Audio, a British audio brand with a rich history, is at the forefront of this innovation. With the launch of its new Radius Series 4G, Monitor Audio is once again pushing the boundaries of what compact speakers can achieve. This comprehensive reinvention of one of their most celebrated ranges promises to deliver high-fidelity sound while maintaining a sleek and contemporary aesthetic.
A Balancing Act
At the heart of the Radius Series 4G is Monitor Audio's Transparent Design Philosophy, which aims to strike a delicate balance between acoustic engineering and modern aesthetics. This philosophy is evident in the speakers' design, which catches the eye as much as it delights the ears. The series comprises three speakers: the Radius 1, Radius 3, and Radius On-Wall, each designed to cater to various audio needs.
The Radius 1 and Radius 3 are standalone speakers, while the Radius On-Wall is a wall-mounted model, perfect for home theater setups. This versatility allows for scalable speaker systems, accommodating everything from stereo listening to full multi-channel home theater, multi-room audio, commercial installations, and near-field desktop use.
Technological Advancements
Monitor Audio's proprietary Ceramic-Coated Aluminum/Magnesium cone technology, known as C-CAM, is a cornerstone of the Radius 4G's driver design. C-CAM is a lightweight, strong, and rigid material that delivers high levels of fidelity. For this 4th generation, Monitor Audio has taken it a step further by employing Rigid Surface Technology for the cone geometry, which reduces breakup and resonances across the entire frequency range, resulting in a more accurate and natural sound.
The Radius Series 4G also introduces a redesigned C-CAM Gold Dome tweeter, which uses an external magnet motor system, setting it apart from conventional architecture. This innovation ensures a more precise and detailed sound reproduction.
Crossover Networks and Driver Design
The crossover networks in the Radius Series 4G have undergone meticulous measurement, listening, and component selection. Every element was chosen to ensure the purest possible signal transfer between amplification and drive units. Bolt Driver Bracing is employed to secure the drivers to the rear of the cabinet, tightened to a specific torque, ensuring structural rigidity and eliminating chassis resonances.
Each Radius 4G speaker features a High-Velocity II port design, which supports smoother airflow and aims to deliver tighter and more controlled bass performance. On the Radius 3 model, the port has been increased by 50% compared to the previous generation, resulting in greater low-frequency performance despite the compact size.
Accessories and Vibration Isolation
Monitor Audio offers a range of matching accessories, including a custom floor stand, desk pad, and wall bracket mounting solutions. The custom floor stand, with its wooden tripod legs, provides a modern twist and clean cable routing. The precision-engineered desk pad, made from rubber of a specific hardness, offers effective vibration isolation, making it ideal for near-field recording monitors.
Pricing and Availability
The Monitor Audio Radius Series 4G will be available from June 2026 at the following prices:
- Radius 1 4G: $525 / £425 / €475 per pair
- Radius 3 4G: $725 / £575 / €675 per pair
- Radius On-Wall: 4G $575 / £450.00 / €525 per piece
- Radius Floor Stand: 4G $395 / £300 / €350 per pair
- Radius Desk Pad 4G: $40 / £30 / €35 per pair
- MASM Wall Bracket: $35 / £20 / €30 per piece
- FIX-M Wall Bracket: $55 / £45 / €50 per piece
In my opinion, Monitor Audio's new Radius Series 4G is a testament to their commitment to innovation and their ability to blend form and function seamlessly. The speakers' technological advancements, coupled with their contemporary design, make them a compelling choice for audiophiles and modern spaces alike. As an expert in the field, I am excited to see the impact this series will have on the audio industry.
