Monitor Audio Radius 390 Subwoofer


The Radius 390 comprises of colour-coded 10″ C-CAM active/ABR drivers, powered by a 200 W Class D amplifier. Enjoy rapid EQ optimisation from Impact, Music and Movie settings, and system automation via the 12 V trigger.

Prices are applicable to stock on hand only. Please confirm stock availability and prices before ordering.

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18 mm MDF cabinet construction with internal bracing
Cool-running 200 W Class D amplifier with switch mode power supply (SMPSU)
Twin side-firing 10″ C-CAM drivers – one active and one passive ABR
Low pass filter switch – for LFE or Stereo input selection
Power switch with ON – Auto- Off/ trigger settings
Stereo/ LFE RCA inputs
3 x Pre-set EQ settings – Music/Movie/Impact

System Format
Active sub-woofer system – Auxiliary (ABR) loading. 18 mm MDF cabinet

Lower Frequency Limit
30 Hz (- 6 dB)

Upper Frequency Limit
Variable 40 – 120 Hz @ 24 dB/Octave

Amplifier Output
200 W @ 1% THD+N

Amplifier Classification
Class D amplifier with Switch mode power supply (SMPSU)

Bass EQ Profiles
Music / Movie / Impact

Phase Control
0 & 180 degrees

Auto Sensing
Line Level >3.5mV

Input Level Requirements
Standby after approximately 15 minutes if no signal sensed

Drive Unit Complement
1 x 10″ (250 mm) C-CAM long throw driver 1 x 10″ (250 mm) ABR

Input Impedance
> 20 ohms

Mains Input Voltage
AC 110 – 120 V ~ 50/60Hz; AC 220 – 240 V ~ 50/60Hz (Factory Region Preset)

Dimensions (Including Amp and Feet (H x W x D))
348 x 330 x 345 mm (1311/16 x 13 x 129/16″)

Stereo RCA in, LFE in, 12v Trigger in (3.5 mm mono mini-jack)

Trigger Input
5 – 12v via 3.5mm mono mini-jack socket

Power Consumption
200 W / 0.5 W in Standby (ErP approved)

Weight (unpacked)
13.76 kg (30 lb 4 oz)


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