Monitor Audio Radius 90 3G Bookshelf Speaker Walnut (Pair)

The Original Hi-Fi Mini Monitor, Reimagined

The Monitor Audio Radius 90 3G is a compact two-way bookshelf speaker that builds on the heritage of the original award-winning Radius design. Despite its diminutive cabinet — measuring just 198 x 125 x 140 mm — it delivers a detailed, room-filling performance that belies its size. Sold as a pair, the Radius 90 3G is equally at home on a bookshelf, desk, or wall-mounted using the integrated single-point fixing.

C-CAM Driver Technology

At the heart of the Radius 90 3G is Monitor Audio's signature C-CAM (Ceramic-coated Aluminium/Magnesium) driver technology. The 4-inch (100 mm) C-CAM cone bass/mid driver is paired with a 1-inch (25 mm) C-CAM Gold Dome tweeter, a combination that delivers extended high-frequency detail up to 35 kHz while maintaining controlled bass response down to 80 Hz.

HiVe II Port Design

Bass performance is enhanced by Monitor Audio's HiVe II (High Velocity, low noise) rear port. This precisely engineered port design reduces turbulence and port noise at high output levels, resulting in tighter, more controlled low-frequency reproduction than conventional reflex ports can achieve.

Versatile Placement

Weighing just 2.1 kg per speaker, the Radius 90 3G is designed for flexible placement. A rear-mounted 1/4-inch x 20TPI threaded insert allows secure wall mounting without additional brackets, while an optional dedicated stand is available for freestanding use. The compact form factor makes the Radius 90 3G an ideal choice for rooms where space is at a premium, or as part of a larger Radius 3G home cinema system when paired with the Radius 200 centre and Radius 270 floorstanding speakers.

Crafted Finishes

The Radius 90 3G is available in three finishes: High Gloss Black Lacquer, Walnut Real Wood Veneer, and Satin White — each designed to complement a wide range of interior styles.