Monitor Audio Radius 45 Speaker Cube (pair)

Radius 45
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Monitor Audio Radius 45 Ultra Compact Speakers

The diminutive Monitor Audio Radius 45 cube is the epitome of Radius innovation: a speaker so small has no right to sound as good as it does, yet miraculously the Radius 45 reveals astonishing mid-range clarity and high frequency ambience from its 3” (75mm) MMP®II mid-bass driver and rear-firing 3/4” (19mm) C-CAM® tweeter.

Radius 45 is perfect for ultra-discreet sound all around the home, or partnered with the Radius 380 sub for explosive stereo from an ultra-compact system. The new Radius 45 is also good for surround sound duties in a smaller room. It incorporates a single point ¼” x UNC (20TPI) wall fixing for use with the any standard wall bracket. Alternatively use the dedicated Radius floor stands, which utilise innovative floor-level connections for a luxury wire-free look.

*Monitor Audio Radius 45's are sold in pairs

Monitor Audio Radius 45 Ultra Compact Speaker

· 3" MMP®II Driver. All drivers are dedicated and model specific, with each model in the Radius series being designed and voiced individually.

· 3/4" gold C-CAM® tweeter, rear-firing to enhance sound dispersion characteristics

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

· Single point ¼"x20TPI wall fixing. Use the optional Monitor Audio speaker mount or any standard wall bracket

· Optional floor-stand with internal (pre-wired) cable management system

Frequency Response

120Hz - 20KHz



Nominal Impedance

8 ohms

Power Handling Single (RMS)

25 watts

System Power Handling (RMS)

50 watts

Recommended Amplifier Requirements

15-50 watts

Maximum SPL (dBA)


Bass Alignment

Sealed Cabinet

Driver complement

1 x 3" (75mm) MMP2® cone bass/mid-range Driver
1 x 3/4" (20mm) C-CAM® gold dome tweeter

Cabinet Dimensions (H x W x D)

100 x 100 x 100mm
(315/16 x 315/16 x 315/16 Inches)

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

100 x 100 x 124mm
(315/16 x 315/16 x 47/8 Inches)

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

100 x 100 x 162mm
(315/16 x 315/16 x 63/8 Inches)


Optional - Monitor Audio Speaker Mount (MASM)


1kg (2lb 4oz)

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