Alfatron ALFC-457 Ceiling Speaker

The Alfatron ALFC-457 is a compact in-ceiling speaker designed for commercial background music and paging systems. With its flush white grille design, it integrates cleanly into suspended or drywall ceilings, making it ideal for offices, retail stores, restaurants, and hospitality environments.

Engineered for clear speech and smooth music reproduction in distributed audio systems.

General Specifications 

Type: ALFC-457 

• Frequency response: 90hz ~ 20Khz 
• Sensitivity (1M/1W): 87dB 
• Power Taps: 20W / 10W / 2.5W / 5W; 8Ω : 40W 
• Rated Power: 20W, 8Ω: 40W 
• Line input: 100V / 70V; 8Ω 
• Hole for Mounting: Ø 180 (Diameter) 
• Dimensions (mm): Ø 204 (Diameter) x 137mm 

 Physical Specifications 

• Material (Panel): ABS White RAL 9016 
• Grill: Powder coated Iron Mesh Component (L. Speaker): 4” (PCK + PF) Woofer Component (H. Speaker): 3/4 ” Silk 
• Finished colour: White RAL 9016 
• Unit Weight: 2.1kg 
• Gross Weight: 13.5kg / 4 pcs 
• Packing dimensions: 58 x 55 x 28cm 

Woofer Speaker Specifications 

• Voice Coil Size: Ø 25.8 x 0.17 2 Layer 
• DC Impedance: 7Ω 
• Former: KSV 
• Magnet: Ferrite ( 416g) 
• Ø 90 x Ø32 x 15 (Y30) 
• Basket: Iron 
• Cone Material: PCK + PF 
• Spider: Conex 
• Net Weight: 795 g