| Customization: | Available |
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| Color: | Black |
| Transport Package: | Carton |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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| Model | LF21X451 |
| Diameter | 21 inch |
| Rated power | 2000W |
| Program power | 4000W |
| voice coil | 115mm |
| Magnet | 250mm ferrite |
| Sensitivity | 96.5dB |
| frequency range | 30~1k HZ |
| QES | 0.41 |
| QTS | 0.4 |
OEM / ODM: We do the OEM and ODM services for customers. We have many OEM products available for selection. And ODM is one of our R&D business part too, we do the products according to your design and requirements. Based on our high quality products, strong technical support, advanced production equipments, as well as our wholehearted service and competitive prices, more and more clients choose us as a long-term business cooperation partner.
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