Description
A Standout Choice
Engineered to transform the TV and film experience, the Radius On-Wall 4G delivers immersive, lifelike sound that brings every scene to life with remarkable clarity, scale and impact. Its slim, low-profile form and clean contemporary aesthetic integrate seamlessly around any screen, with horizontal or vertical placement both supported, and a removable MA roundel logo ensuring a clean, uninterrupted finish in either orientation.
Inside, the same C-CAM RST III driver and C-CAM Gold Dome Tweeter technology found across the Radius 4G Series ensures precise high-frequency detail, controlled dispersion and coherent sound staging. A wall bracket and fixing template are supplied for straightforward installation. Add a Monitor Audio subwoofer to complete the system and unlock genuinely full-range, cinematic performance without visual compromise.
RST III Bass/Mid Driver & Motor System
The all-new RST III C-CAM cone and motor system in the Radius 4G represents a significant evolution in Monitor Audio’s metal cone and driver technology. The bass/mid drivers have undergone full FEA optimisation, improving driver surround, spider and chassis design to reduce breakup and reduce resonances.
Larger magnets, improved voice coil, and enhanced venting, it delivers greater control, reduced distortion and improved dynamic range. Complementing this is the new C-CAM Gold Dome Tweeter with an optimised UD Waveguide, ensuring smooth, extended high frequencies, precise dispersion, and seamless integration with the RST III driver. The result is a speaker that offers remarkable clarity, punch, and immersive high-fidelity performance in a compact, versatile form.
Through-Bolt Driver Bracing
Through-bolt driver technology secures each driver directly to the cabinet via a tensioned bolt running through to the rear panel, allowing the drive units to be precisely braced and tightened to an exact torque. This creates a rigid, low-resonance structure that ensures both driver and cabinet remain structurally strong, significantly reducing unwanted chassis and cabinet vibrations. The result is lower colouration, improved clarity, tighter bass, and a more controlled, refined overall performance.
HiVe II Port Technology
The refined HiVe Il ports on Radius 4G are engineered to deliver cleaner, faster airflow, reducing turbulence and minimising unwanted chuffing. On the all-new Radius 3 model, the ports have been enlarged by 50% compared to the previous generation, further enhancing smooth airflow and delivering tighter, more controlled bass performance.
Crossover
The Radius 4G features carefully engineered crossovers, each is optimised to deliver seamless integration between the C-CAM Gold Dome Tweeter and RST III driver. Precision components ensure smooth, balanced frequency response, tight imaging, and coherent sound, allowing the speaker to reproduce music and dialogue with clarity, impact, and true high-fidelity accuracy.
Design-led Compact Performance
A focussed three-product, compact, design-focused speaker range engineered to blend seamlessly into contemporary interiors while maintaining high-performance audio.
Big Sound, Minimal Footprint
Utilises advanced driver technology to deliver clear, detailed sound with surprising scale from ultra-small enclosures, building on the series’ legacy of high-fidelity performance.
Scalable for Any Space
Highly versatile system architecture, enabling everything from discreet stereo setups to full multi-channel home cinema configurations with matching subwoofers.
System Format: 2-Way
Frequency Response, In-Room (-6dB): 69 Hz – 35 kHz
Sensitivity (2.83 Vrms @ 1m, Free-Field) 82 dB: N/A
Sensitivity (2.83 Vrms @ 1m, Installed): 90 dB
Nominal Impedance: 8 Ohms
Minimum Impedance (20Hz to 20kHz): 4.4 Ohms @ 700 Hz
Maximum Peak SPL (AES75, Z-weighted): 114 dB
Continuous Power Handling: 100 W
Recommended Amplifier Power:
100 – 200 W into 4 Ohms
50 – 100 W into 8 Ohms
Bass Alignment: Ported
Port Tuning Frequency: 62 Hz
Crossover Frequency LF/HF: 2.3 kHz
Drive Unit Complement:
2x 4 1/2″ RST III bass-mid driver
1x 25mm C-CAM Gold Dome tweeter
Available Finishes:
High Gloss Black
Satin White
External Dimensions with all accessories fitted (H x W x D): 750 × 154 × 78 mm
Weight: 6.4kg
Sold As : Pair
A significant step forward in how we apply acoustic engineering within a
