Radius 45 - (Discontinued)

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)


1 kg (2 lb 4 oz)

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Radius 45