Professional 21" PA Sound System Line Array Subwoofer – F121 Single

Ultra-Powerful Bass Performance
21" high-efficiency woofer with reinforced cone structure delivers deep, distortion-free bass for large venues.
Premium Build for Durability
Heavy-duty MDF enclosure with rugged textured coating resists wear, while precision internal bracing minimizes resonance.
Plug-and-Play Line Array Ready
Seamless integration with line array systems, featuring top-mounted pole socket and ergonomic handles for quick setup.
Optimized for Outdoor Events
Weather-resistant components and vented design ensure reliable performance in open-air concerts, festivals, and stadiums.
Pro-Grade Connectivity
Dual NL4 Speakon inputs/outputs support daisy-chaining, ideal for touring rigs and permanent installations.
Engineered for Clarity
Advanced crossover network and low-compression driver design maintain sound accuracy even at maximum SPL.