Monitor Audio Radius 3 4G Bookshelf Speaker - RAD4G3B
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.
Features at a glance:
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 | Finishes in Satin White & Gloss Black
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.
| 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 Satin White |
| 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 |
| Warranty | 5 years |
| Compatible MAG Brackets | FIX-M |