# Monitor Audio Radius 1 4G

Bookshelf / standmount passive loudspeaker from the Radius series, made by Monitor Audio (🏴󠁧󠁢󠁥󠁮󠁧󠁿 GB-ENG).

Source: https://truescaleaudio.com/en/speaker/monitor-audio-radius-1-4g
Manufacturer page: https://www.monitoraudio.com/en/us/product-ranges/radius-series-4g/radius-1-4g/

## Dimensions

| Dimension | Metric | Imperial |
| --- | --- | --- |
| Height | 135 mm | 5.3 in |
| Width | 135 mm | 5.3 in |
| Depth | 156 mm | 6.1 in |
| Weight (each) | 1.8 kg | 4 lb |

## Drivers

- 1 × 19 mm (0.75 in) tweeter — C-CAM Gold Dome
- 1 × 100 mm (4 in) mid-bass — C-CAM RST III

## Specifications

| Specification | Value |
| --- | --- |
| Type | Bookshelf / standmount |
| Power | Passive |
| Enclosure | Sealed |
| Frequency response | 100–35000 Hz |
| Sensitivity | 82 dB |
| Impedance | 8 Ω nominal |
| Recommended amplifier | 25–50 W |
| Power handling | 50 W |
| Price (USD) | $525 / pair |
| Introduced | 2024 |

## About

The smallest 4th-gen Radius — a tiny sealed two-way satellite with a 100 mm C-CAM RST III bass-mid and a 19 mm gold-dome tweeter. Its low 82 dB sensitivity and 25–50 W window suit surround or nearfield duty in a compact system rather than a main stereo pair.

## See it to scale

This catalogue draws cabinets at their real size side by side, which no text version can reproduce. Compare the Monitor Audio Radius 1 4G against another speaker at https://truescaleaudio.com/en/compare?a=monitor-audio-radius-1-4g
