Car subwoofer Challenger Opus SD-300BX
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| Brand: | Challenger |
| Description: | Subwoofer car subwoofer car subwoofers 30 cm 12 inch. |
| Type: | Subwoofer |
| Frame: | No |
| Dimensions: | 300 mm |
| Power: | 500 W maximum |
| Number of lanes: | 1 |
| Size: | 30 cm 12 in. |
| Sensitivity: | 89 dB |
| Number of speakers: | 1 |
| Resonant frequency Fs: | 36 Hz |
| Equivalent volume Vas: | 65 l |
| Diffuser material: | Impregnated paper |
| Total quality factor Qts: | 0.48 |
| Recommended Enclosure: | Closed box |