KS21S Single 21" Line Array System – Professional Audio Subwoofer Speaker
Premium 21" high-power neodymium woofer delivers deep, punchy bass with minimal distortion. Heavy-duty birch plywood enclosure reinforced with weather-resistant coating ensures durability for outdoor use. Precision-engineered phase plugs and optimized porting enhance low-frequency response. Ideal for concerts, festivals, and large venues requiring robust sound reinforcement. Seamless integration with line array systems for scalable setups. Rugged steel grille and ergonomic handles for easy transport and setup. Direct wholesale pricing—no middlemen. Bulk discounts available for stage and event professionals. Ships globally with reliable logistics support.