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See Product Specifications
| Part Number: | AT-40 | 
| Category: | Audio Products | 
| Subcategory: | Speakers | 
| Manufacturer: | PUI Audio, Inc. | 
| Packaging: | Tray | 
| Product Status: | Obsolete | 
| Technology: | Magnetic | 
| Type: | General Purpose | 
| Frequency Range: | 500 Hz ~ 20 kHz | 
| Frequency - Self Resonant: | 1000Hz | 
| Impedance: | 100 Ohms | 
| Efficiency - dBA: | 73.00 | 
| Efficiency - Testing: | 100mW/500mm | 
| Efficiency - Type: | Sound Pressure Level (SPL) | 
| Power - Rated: | 150 mW | 
| Power - Max: | 200 mW | 
| Port Location: | Top | 
| Shape: | Round | 
| Material - Cone: | Polyester, Polyethylene Terephthalate (PET) | 
| Material - Magnet: | Nd-Fe-B | 
| Ingress Protection: | - | 
| Ratings: | - | 
| Termination: | PC Pins | 
| Size / Dimension: | 1.175" Dia (29.85mm) | 
| Height - Seated (Max): | 0.492" (12.50mm) |