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Monitor Audio Radius 225 On-Wall Speaker (single)

Radius 225
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Monitor Audio Radius 225 Super Slim On-Wall Speaker

At just 65mm in depth, the Radius 225 is the perfect match for today’s ultra-thin displays and can be used as a centre channel or main front left/right speaker. The acoustic design of twin 4” (100mm) C-CAM® mid/bass drivers astride a 1” (25mm) C-CAM tweeter delivers superb accuracy from horizontal and vertical positions. A dedicated wall bracket is included with the 225 to make wall mounting very easy

Radius 225 is voice matched with the entire Radius range so that you have supreme flexibility when it comes to configuring your system including a choice of compact bookshelf, on-wall and floor-standing speakers plus two active subwoofers.

The Radius 225 may be thin physically, but its performance will fill even larger sized rooms with exhilarating, wall-to-wall sound.

· New 4” C-CAM® bass driver - Radius features all new bass drivers with concave cone profiles, introduced by our top-of-the-range Platinum speakers and applied subsequently to Gold GX. Extensive research and FEA modelling have allowed us to perfect the relationship between the new radiating diaphragm and its motor design, introducing larger motor sizes and voice coils for increased excursion, higher power capability and reduced distortion.

· New C-CAM gold dome tweeter - optimised to deliver the finest and widest performance within the compact Radius cabinets. It benefits from a more efficient rear-venting design, releasing air trapped and compressed at the back of the tweeter dome, and guiding it around the drive assembly to a rear-loading chamber.

· HiVe®II port design - Straight from Platinum’s design blueprint, the HiVe reflex port makes its Radius debut. It’s shaped to have the same effect on airflow as a gun-barrel on a bullet. Rifled grooves inside the port help to accelerate the flow and reduce turbulence, so air moves in and out of the port more efficiently, for a faster more dynamic bass response.

· Single through-bolt driver fixing provides mechanical de-coupling and enhanced mid-band clarity and resolution. The through-bolts also act as rigid cross bracing to give a very solid non-resonant cabinet.

· Comes complete with a dedicated wall bracket

Frequency Response

80Hz - 35KHz



Nominal Impedance

6 ohms

Power Handling Single (RMS)

100 watts

System Power Handling (RMS)

150 watts

Recommended Amplifier Requirements

40-150 watts

Maximum SPL (dBA)


Bass Alignment

Bass reflex - front ported

Driver complement

2 x 4” (100mm) C-CAM® cone bass/mid driver
1 x 1” (25mm) C-CAM gold dome tweeter

Cabinet Dimensions (H x W x D)

610 x 140 x 67mm
(24 x 51/2 x 25/8 Inches)

Cabinet Dimensions (H x W x D)
(Inc Grille & Terminals)

610 x 140 x 77mm
(24 x 51/2 x 31/16 Inches)

Cabinet Dimensions (H x W x D)
(Inc Grille & Bracket)

610 x 140 x 84mm
(24 x 51/2 x 35/16 Inches)


Dedicated bracket included


4.2kg (9lb 4oz)

  • On-Wall

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