Pro Audio Speakers 10" 12" 15" 8" Replacement Speakers Filter Sort Filters In Stock $500 and above Remove All Filters Availability In Stock Price $50-$100 (58) $100-$500 (39) $500 and above (2) Sort SKU: A-Z SKU: Z-A Price: Low to High Price: High to Low Least Popular Most Popular Sort by: SKU Sale Price Popularity 4x Harmony HA-P18LS8 Replacement 18" PA 1600W Subwoofer / Speaker 8 Ohm Woofer $534.99 4x Harmony HA-P18LS16 Replacement 18" PA 1600W Subwoofer / Speaker 16 Ohm Woofer $538.99