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Key Features
The Monitor Audio Radius 390 is a compact subwoofer with two side-firing drivers. Utilising Monitor Audio's 10-inch C-CAM driver design, this subwoofer uses lightweight but firm aerospace materials to deliver powerful and clear low frequencies to support full-range speakers. The Radius subwoofer also includes a passive ABR driver - a secondary passive driver that sits inside the cabinet to help push more energy out of the powered driver by moving in time with it, acting like a port whilst keeping the housing design fully sealed.
Product Ref: 200361
The Radius series of subwoofers utilise all of Monitor Audio's technology to maximise its output and frequency response to ensure it delivers clear, deep bass to pair with any of your preferred listening material. Accurately reproducing low frequencies to go along with your favourite films, TV shows, or music, the Radius 390's combination of C-CAM drivers, ABR, and powerful Class D amplification deliver full, rich sound quality.
The Radius 390 is tuned especially to be paired with the full-range speakers of the Radius series, to create an affordable and accessible home listening system. Whether you're seeking a full, rich stereo sound, or an immersive surround sound setup, the Radius series gives you this option in a consistent, integrated series.
The 390 offers three equalisation presets, allowing you to emphasise different aspects of its frequency response, with Impact, Movie, and Music settings to bring out the exact voicing you're looking for.
Monitor Audio's Radius series also features their unique C-CAM drivers. Built from ceramic-coated aluminium and magnesium typically found in aerospace engineering for jet engines, this material is rigid yet lightweight. The result is a driver that reacts quickly to the movement of air without being too heavy to do so accurately. This helps to provide excellent transient response with no audible distortion, a key element for any great subwoofer.
The Radius 380 subwoofers feature a completely enclosed cabinet to help enhance low-frequency response and output power even further. As such, instead of a bass reflex port, Monitor Audio have designed an Auxiliary Bass Radiator, a passive internal driver which moves back and forth with the air pushing the driver.
System Format | Active sub-woofer system - Auxiliary (ABR) loading. 18mm MDF cabinet |
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Low Frequency Limit | 30 Hz (-6 dB) |
Upper Frequency Limit | Variable 40 - 120 Hz @ 24 dB/Octave |
Amplifier Power Output | 200 Watts @ 1 THD+N |
Amplifier Classification | Class D amplifier with Switch mode power supply (SMPSU) |
Bass EQ Switch | Music/ Movie/ Impact |
Phase Control | 0 & 180 degrees |
Auto Sensing | Line Level > 3.5 mV |
Input Level Requirements | Standby after approximately 15 minutes if no signal sensed |
Driver Compliment | 1 x 10" (250 mm) C-CAM® long throw driver1 x 10" (250 mm) Auxiliary bass radiator |
Input Impedance | > 20K Ohms |
Mains Input Voltage | AC 220 - 240 V 50/60 Hz |
Dimensions (H x W x D)(including amp & feet) | 348 x 330 x 345mm(1311/16 x 13 x 129/16 Inches) |
Connections | Stereo RCA in, LFE in, 12v Trigger in (3.5mm mono mini-jack) |
12v Trigger Input | 5 - 12v via 3.5mm mono mini-jack socket |
Power Consumption | 220 Watts / 0.5 Watts in Standby (ErP approved) |
Weight(Unpacked) | 13.76 kg(30 lb, 4 oz) |