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. TECHNOLOGY 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 SPECIFICATION Frequency Response 120Hz - 20KHz Sensitivity 87dB 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) 101 Bass Alignment Sealed Cabinet Driver complement 1 x 3" (75mm) MMP2® cone bass/mid-range Driver1 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) Bracket Optional - Monitor Audio Speaker Mount (MASM) Weight 1kg (2lb 4oz)