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| Part Number | SM280508-1 | SM280508-2 | SM280508-3 |
| Manufacturer | DB Unlimited | DB Unlimited | DB Unlimited |
| Series | - | - | - |
| Packaging | Tray | Tray | Tray |
| Product Status | Active | Active | Active |
| Technology | Magnetic | Magnetic | Magnetic |
| Type | General Purpose | General Purpose | General Purpose |
| Frequency Range | 500 Hz ~ 20 kHz | 550 Hz ~ 9 kHz | 550 Hz ~ 7 kHz |
| Frequency - Self Resonant | 500Hz | 550Hz | 550Hz |
| Impedance | 8 Ohms | 8 Ohms | 8 Ohms |
| Efficiency - dBA | 97.00 | 92.00 | 90.00 |
| Efficiency - Testing | 100mm | 100mm | 100mm |
| Efficiency - Type | Sound Pressure Level (SPL) | Sound Pressure Level (SPL) | Sound Pressure Level (SPL) |
| Power - Rated | 500 mW | 1.5 W | 500 mW |
| Power - Max | 1 W | 3 W | 700 mW |
| Port Location | Top | Top | Top |
| Shape | Round | Round | Round |
| Material - Cone | Polyester, Polyethylene Terephthalate (PET) | Polyester, Polyethylene Terephthalate (PET) | Polyethylenimine (PEI) |
| Material - Magnet | - | - | - |
| Ingress Protection | - | - | - |
| Ratings | - | - | - |
| Termination | Solder Pads | Solder Pads | Solder Pads |
| Size / Dimension | 1.102" Dia (28.00mm) | 1.102" Dia (28.00mm) | 1.102" Dia (28.00mm) |
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