Acoustics Alpine SPR-57LS
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| Brand: | Alpine |
| Description: | Component speaker oval 12.7x17.78 cm 5x7 in. |
| Type: | Component speakers |
| Dimensions: | 25 mm |
| Power: | 300 W maximum |
| Number of lanes: | 2 |
| Frequency response: | 35 - 30000 Hz |
| Size: | Oval 12.7x17.78 cm 5x7 in. |
| Impedance: | 4 ohm |
| Installation depth: | 70 mm |
| Mounting hole: | 181x125 mm |
| Basket: | Cast |
| Basket material: | Aluminum |
| Suspension material: | Butyl rubber |
| External crossover: | There is |
| Magnet: | Neodymium |