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| PartNumber | GF0666M | GF0661 | GF0661M |
| Description | Speakers & Transducers speaker, 66 mm square, 19.5 mm deep, mylar, ferrite, 500 mW, 8 , 420 Hz, solder eyelets | Speakers & Transducers speaker, 66 mm round, 20 mm deep, paper, ferrite, 300 mW, 8 , 300 Hz, solder eyelets | Speakers & Transducers speaker, 66 mm round, 20 mm deep, mylar, ferrite, 500 mW, 8 O, 430 Hz, solder eyelets |
| Manufacturer | CUI Inc. | CUI Inc. | CUI Inc. |
| Product Category | Speakers & Transducers | Speakers & Transducers | Speakers |
| RoHS | Y | - | - |
| Product | Speakers | Speakers | - |
| Type | Electromagnetic | Electromagnetic | Magnetic |
| Frequency | 330 Hz | 300 Hz | - |
| Sound Pressure Level | 88 dB | 86 dB | 88dB |
| Impedance | 8 Ohms | 8 Ohms | 8 Ohm |
| Power Rating | 500 mW | 300 mW | - |
| Shape | Square | Round | Round |
| Termination Style | Solder Lug | Solder Lug | - |
| Length | 66 mm | - | - |
| Width | 66 mm | - | - |
| Magnet Material | Ferrite | Ferrite | - |
| Cone Material | Mylar | Paper | - |
| IP Rating | - | - | - |
| Height | 19.5 mm | 20 mm | 20.50mm |
| Packaging | Bulk | Bulk | - |
| Brand | CUI | CUI | - |
| Height mm | 19.5 mm | 20 mm | - |
| Product Type | Speakers & Transducers | Speakers & Transducers | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Audio Devices | Audio Devices | - |
| Unit Weight | 2.469177 oz | - | - |
| Diameter | - | 66 mm | - |
| Series | - | - | GF |
| Termination | - | - | Solder Eyelet(s) |
| Size Dimension | - | - | 66.00mm Dia |
| Frequency Range | - | - | 430Hz ~ 10kHz |
| Power Rated | - | - | 500mW |
| Power Max | - | - | 1W |
| PortLocation | - | - | Top |
| Material Cone | - | - | PET |
| Material Magnet | - | - | Ferrite |