Monitor Audio Radius 3 4G - Black High Gloss (Per Pair)

Radius 3 4G is a high-performance mini-monitor delivering precise, high-fidelity sound for TV, film, music, gaming and multi-room applications, including discreet commercial installations. Featuring a 4.5-inch C-CAM driver with RST III geometry and a 25 mm C-CAM Gold Dome tweeter, each powered by its own optimised motor system, it combines impressive sonic performance with exceptional versatility, supporting desktop, floor-stand or wall-mount installation. 

Design-Led Compact Performance 

A high-performance mini-monitor of remarkable versatility, the Radius 3 4G delivers precise, high-fidelity sound across TV, film, music, gaming and multi-room applications, equally at home in discreet residential or commercial installations. 

Its 4.5-inch C-CAM RST III bass/mid driver, paired with a 25 mm C-CAM Gold Dome Tweeter, each powered by its own optimised motor system, produces expansive, detailed sound far beyond what its compact dimensions suggest. Through-bolt driver bracing, HiVe II port technology and a precision-engineered crossover work in unison to deliver tight bass, controlled dispersion and exceptional clarity throughout the frequency range. 

Flexible mounting options – a wall, desktop or floor stand- make integration effortless in any environment. Pair with a Monitor Audio subwoofer to unlock truly full-range performance. 

FEATURES 

• 1 x 4.5-inch C-CAM Driver 
• RST II Cone 
• RST III Bass Driver 
• 25 mm C-CAM Gold Dome Tweeter 
• New Crossover Design 
• Through-bolt Driver Bracing 
• HiVe II Ports 
• Finish in Gloss Black 
• Wall brackets (not included): Monitor Audio FIX-M 
• Desk Pad (not included): Monitor Audio Radius Desk Pad 4G 

Tuned for True High-Fidelity 

Radius Series 4G delivers genuine hi-fi and cinematic AV performance, beautifully engineered for modern installation and contemporary living spaces. Radius Series 4G combines advanced acoustic engineering, premium materials and discreet industrial design to create scalable stereo and immersive AV systems without compromise. 

Big Sound, Minimal Footprint 

Designed to integrate effortlessly into contemporary living or commercial spaces, Radius 4G offers a level of flexibility rarely found in high-fidelity loudspeaker systems. Whether configured as a compact stereo pair, a discreet home cinema installation, a desktop listening solution or part of a wider multi-room environment, Radius 4G delivers immersive, room-filling sound with remarkable clarity and precision. 

Exceptional Clarity and Fidelity 

The all-new RST Ill bass/mid drivers combine lightweight, rigid C-CAM cone technology with redesigned surrounds, improved venting and optimised motor systems. 

The result is deeper bass, lower distortion, improved transient response and greater dynamic accuracy from compact enclosures. 

Metal-Driver Expertise 

Radius 4G features a newly engineered, fully vented C-CAM Gold Dome Tweeter with external magnet architecture and an optimised UD Waveguide. 

This advanced design delivers smooth, open high frequencies with exceptionally low distortion and wide dispersion. 

Radius Has Never Been More Adaptable. 

Radius Series 4G is engineered to perform beautifully across an exceptional range of applications. Whether you want to upgrade your stereo system for your living space, create a surround-sound cinema system, or find a refined alternative to a soundbar for your TV, Radius 4G will deliver a wide soundstage and lifelike dialogue clarity in every environment. 

Designed for Flexible Installation 

Whether placed on a desktop, mounted discreetly on a wall or integrated into a full stereo or AV system, each accessory has been carefully developed to complement the Radius range both visually and functionally. 

SPECIFICATIONS 

• System Format: 2-Way
• Frequency Response, In-Room (-6dB): 44 Hz — 35 kHz
• Sensitivity (2.83 Vrms @ 1m, Free-Field)​​: 84 dB
• Sensitivity (2.83 Vrms @ 1m, Installed): N/A
• Nominal Impedance: 8 Ohms
• Minimum Impedance (20 Hz to 20 kHz)​​: 4 Ohms @ 250 Hz
• Maximum Peak SPL (AES75, Z-weighted): 107 dB
• Continuous Power Handling (CTA 426-B): 75 W
• Recommended Amplifier Power (RMS, Music Signal):
  • 75 - 150 W into 4 Ohms
  • 40 - 75 W into 8 Ohms
• Bass Alignment: Ported
• Port Tuning Frequency: 53 Hz
• Crossover Frequency: LF/HF: 2.7 kHz
• Drive Unit Complement:
  • 1x 41/2" RST III bass-mid driver
  • 1x 25 mm C-CAM Gold Dome tweeter
• Finishes: High Gloss Black 
• External Dimensions with all accessories fitted (H x W x D): 255 x 150 x 201 mm (101/16 x 57/8 x 715/16")
• Weight (each): 3.7 kg (8 lb 3 oz)
• Sold As: Pair
• Compatible MAG Brackets: FIX-M
• Warranty: 5 years