R370HD - (Discontinued)


Years Active 2006-2008

The R370HD active subwoofer provides a new dimension to a system’s sound.

Its 255 mm (10”) C-CAM downward firing driver, powered by a potent 250W (RMS) Class D amplifier, will extend the reach of the RadiusHD satellites to add the deepest drama to movies and music.

The R370HD’s lowest frequencies are controlled so expertly that even subtle effects are better defined, enhancing the listening experience with bass you can feel as well as hear. The R370HD is equipped with a top-mounted control panel for easy access to volume and 2 EQ settings, 12V trigger input for power on/standby control from an AV amplifier, variable crossover control from 40 Hz-120 Hz, stereo, LFE RCA inputs and link outputs.


  • Top mounted control panel - for easy access to volume and EQ settings.
  • 18 mm MDF cabinet construction with internal bracing
  • 250 W RMS Class D amplifier with switching power supply
  • Downward firing 10” Ultra long throw, C-CAM bass driver.
  • 12 Volt trigger input – For power on/ standby control from AV amplifier.
  • Crossover/ frequency control. Variable from 40 Hz-120 Hz
  • Low pass filter switch – for LFE or Stereo input selection
  • 0-180 Phase switch
  • Power switch with ON – Auto- Off/ trigger settings
  • Stereo/ LFE RCA inputs
  • Stereo/ LFE link outputs
  • Silicone rubber anti-resonance feet
  • 2 x Pre-set EQ settings – for Music or video programme optimisation.
Lower Frequency Limit

28 Hz (EQ1)
25 Hz (EQ2)

Upper Frequency Limit

40 - 120 Hz Variable

Low Pass Filter Alignment

12dB / Octave variable
+12dB / Octave fixed (2 stage)

Cabinet Support

Sealed Cabinet of 18mm (3/4) M.D.F. construction

Amplifier Output

250 W

Amplifier Category

Class - D Digital amplifier

Drive Unit Complement

1 x 10" C-CAM® subwoofer driver

Input Impedance

20K Ohms

Mains Input Voltage

110 - 120 Vac / 220 - 240 Vac

External Dimensions (H x W x D)

370 x 320 x 320
(14 9/16 x 12 5/8x 12 5/8)


11.87 (26 1/8)

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