21-inch Subwoofers

DD Audio 9921B 9900 Series High-Performance 21" Subwoofer

$1000 + Subwoofers 21-inch Subwoofers All G Products DD Audio Products DD Audio Subwoofers Exclude Local Feed - All Products Local Feed Main Subwoofers
The 9900s are the go to subwoofers for the demanding bassaholic with a profound interest in physics. Entertaining minds will revel in the endless system design possibilities deliverable with these precision low-frequency devices. Originally coined The Beast, the 9900s first appeared on the market in the early 2000s....

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