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Monitor Audio Radius 45 - Walnut
Monitor Audio Radius 45 - Walnut
Monitor Audio Radius 45 - Walnut
Monitor Audio Radius 45 - Walnut
Monitor Audio Radius 45 - Walnut
Monitor Audio Radius 45 - Walnut

Monitor Audio Radius 45 - Walnut

  • Tiny Radius 45, but the technologically advanced 75 mm MMP II low-midrange driver and a 19-mm C-CAM tweeter placed on the back of the casing.
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Warranty 60 months

Monitor Audio Radius 45

For ultra-discreet sound all around the home, or partnered with the Radius 380 sub for explosive stereo, the miraculously small Radius 45 houses a 3" MMP II mid-bass driver and rear-firing 3/4" C-CAM tweeter, and has no right to sound as good as it does.


  • 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" x 20TPI 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: 120 Hz — 20 kHz

  • Sensitivity (1W@1M): 87 dB

  • Nominal Impedance: 8 ohms

  • Power Handling (RMS): 25 W

  • System Power Handling (RMS): 50 W

  • Recommended Amplifier Requirements: 15 — 50 W

  • Maximum SPL: 101 dBa

  • Bass Alignment: Sealed Cabinet

  • Drive Unit Complement:
    1 x 3" (75 mm) MMP II cone bass/mid-range Driver
    1 x 3/4" (20 mm) C-CAM Gold Dome tweeter

  • Cabinet Dimensions (H x W x D): 100 x 100 x 100 mm (315/16 x 315/16 x 315/16")

  • Cabinet Dimensions (Including Grille and Terminals (H x W x D)): 100 x 100 x 124 mm (315/16 x 315/16 x 47/8")

  • Cabinet Dimensions (Including Grille and Bracket (H x W x D)): 100 x 100 x 162 mm (315/16 x 315/16 x 63/8")

  • Pre-Construction Bracket: Optional - Monitor Audio Speaker Mount (MASM)

  • Weight: 1 kg (2 lb 4 oz)


Technical specifications
Monitor Audio Radius 45 - Orzechowy
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IdoSell Trusted Reviews
5.00 / 5.00 17 reviews
IdoSell Trusted Reviews
Highly recommended store. They answered my emails promptly and the shipment was very fast. I will certainly buy from them again.
Quick delivery, well packed. Goods as described. Highly recommended.