Surface-Mounted Speaker
| Model | YSP-0403D | YSP-0405D | YSP-0506D | YSP-0506D 1 | 
| Size | 4 inch | 4 inch | 4 inch | 5 inch | 
| Rated input | 3W | 5W | 4W or 6W | 4W or 6W | 
| Rated impedance | 100V, 3W (3.3KΩ) | 100V, 5W (2KΩ) | 100V, 4W (2.5KΩ) or 6W (1.7KΩ) | 100V, 4W (2.5KΩ) or 6W (1.7KΩ) | 
| Output acoustic pressure | Above 92dB (1m) L class | |||
| Rated frequency range | 200Hz~12KHz | |||
| Material / thickness | ABS plastic material / thickness 2mm | |||
| Dimensions | 182Φ (Dia.) × 66.5 (D) mm | |||