I bought this and never used them . No box for this item.The product is a pair of Skar Audio SDR-10 D4 dual 4 ohm subwoofers with an RMS power of 600 watts each. These 10-inch subwoofers feature a dual voice coil design for enhanced performance and versatility in car audio systems. The model, SDR-10 D4, offers powerful bass output and is designed for optimal sound quality in vehicles. Perfect for car audio enthusiasts looking to upgrade their audio system with high-quality subwoofers that deliver powerful bass performance.
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