Radius 1 4G High Gloss Black

Name: Radius 1 4G High Gloss Black
Brand: Monitor Audio
SKU: MONITOR-AUDIO-RADIUS-1-4G-HIGH-GLOSS-BLACK

Model SRAD4G1B · Series Radius Series 4G

Radius 1 4G is ideal for discreet AV, surround or multi-room sound systems. With versatile mounting options, a wall, desktop or floor stand and the option of adding a subwoofer, Radius 1 4G can deliver full-range, high-fidelity sound from an ultra-compact form. The newly designed 4-inch C-CAM driver with RST III geometry, partnered with a 19 mm C-CAM Gold Dome tweeter, delivers precise, lifelike sound from this cleverly engineered micro-speaker.

At a glance

All specifications

Sensitivity: 82 dB (2.83 V / 1 m)
Nominal impedance: 8 ohms
Dimensions (W × H × D): 135 × 135 × 156 mm
Weight: 1.8 kg
System Format: 2-Way
Bass Alignment: Sealed

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Overview

Compact yet remarkably capable, the Radius 1 4G delivers genuine hi-fi performance from an ultra-small form factor.

At its heart, a newly designed 4-inch C-CAM RST III bass/mid driver pairs with a fully vented 19 mm C-CAM Gold Dome Tweeter to produce precise, lifelike sound with exceptional clarity, controlled dispersion and low distortion – hallmarks of Monitor Audio's metal-driver expertise.

Engineered for versatility, Radius 1 4G suits discreet AV, surround and multi-room installations equally, with mounting options for wall, desktop, or floor stands via compatible accessories. Add a Monitor Audio subwoofer for truly full-range performance. Whether enhancing a design-led home, boutique commercial space or immersive home cinema, Radius 1 4G achieves the ideal balance of acoustic transparency and understated elegance.

Highlights

1 x 4-inch C-CAM Driver
RST II Cone
RST III Bass Driver
19 mm C-CAM Gold Dome Tweeter
New Crossover Design
Through-bolt Driver Bracing
HiVe II Ports
Finishes in Satin White & High Gloss Black

About Monitor Audio

On one level, this is simple to answer: it’s sound that comes as close as possible to what the artist heard in the recording studio. The reality is far more complicated. For starters, anyone who has been in a recording studio will be aware that they don’t always sound fantastic. Sorry to dispel that myth, but it’s just a fact. Monitor Audio loudspeakers sound truthful and natural; they are engineered to reproduce music as the artist intended. A subtle but important difference. At its core, Monitor Audio’s mission is to develop loudspeakers that impose themselves as little as possible. Speakers that let the recording do the talking.

All Monitor Audio products

Specifications

Sensitivity: 82 dB (2.83 V / 1 m); How loud it plays for a given signal. Higher sensitivity needs less amplifier power.
Nominal impedance: 8 ohms; The electrical load your amplifier drives. System Builder checks it against the amplifier you pick.
Dimensions (W × H × D): 135 × 135 × 156 mm; Width, height and depth, without cables.
Weight: 1.8 kg; Per unit, out of the box.
Model code: MONITOR-AUDIO-RADIUS-1-4G-HIGH-GLOSS-BLACK; Quote it when you ask a specialist.

Specifications

System Format: 2-Way
Frequency Response, In-Room (-6dB): 100 Hz — 35 kHz
Sensitivity (2.83 Vrms @ 1m, Free-Field): 82 dB
Sensitivity (2.83 Vrms @ 1m, Installed): N/A
Nominal Impedance: 8 Ohms
Minimum Impedance (20 Hz to 20 kHz): 3.8 Ohms @ 950 Hz
Maximum Peak SPL (AES75, Z-weighted): 104 dB
Continuous Power Handling (CTA 426-B): 50 W
Recommended Amplifier Power (RMS, Music Signal): 50 - 100 W into 4 Ohms 25 - 50 W into 8 Ohms
Bass Alignment: Sealed
Port Tuning Frequency: N/A
Crossover Frequency: LF/HF: 3.2 kHz
Drive Unit Complement: 1x 4" RST III bass-mid driver 1x 19 mm C-CAM Gold Dome tweeter
Finishes: High Gloss Black Satin White
External Dimensions with all accessories fitted (H x W x D): 135 x 135 x 156 mm (5 5/16 x 5 5/16 x 6 1/8")
Weight (each): 1.8 kg (3 lb 15 oz)
Sold As: Pair
Warranty: 5 years
Compatible MAG Brackets: MASM, FIX-M