MR4 - (Discontinued)


Years Active 2011-2018

The MR4 has a 6.5" bass and bass/mid-range driver designs in a 2 1/2-way system of dedicated driver chambers, reinforced by comprehensive cabinet bracing to provide a remarkable blend of punch, deep bass extension and control.

This product is now available to use with home theatre design software, The Cinema Designer. Read more.



  • Compact, entry-level floorstander
  • 6.5" MMP II bass driver
  • 6.5" MMP II bass/mid driver
  • 1” C-CAM Gold Dome tweeter
  • Front and rear ported
  • Modelled on the hugely successful, award-winning Bronze Reference Series
  • Re-tuned, optimising every detail to re-define our meaning of entry-level
  • Equipped to compete with many more expensive offerings from rival brands and capable of jaw-dropping audio resolution in two-channel and multi-channel systems.
Frequency Response

36 Hz — 30 kHz

Sensitivity (1W@1M)

91 dB

Nominal Impedance

6 ohms

Power Handling (RMS)

150 W

Recommended Amplifier Requirements

30 — 120W

Bass Alignment

Bass reflex - Ported front and rear

Drive Unit Complement

1 x 6.5" MMP II bass driver 1 x 6.5" MMP II mid-range 1 x 1" C-CAM Gold Dome tweeter

External Dimensions (Including Plinth (H x W x D))

850 x 185 x 255 mm (337/16 x 75/16 x 101/16")

Weight (each)

12 kg (26.4 lbs)

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