Ka21 Professional Sound High Quality Speaker 21 Inch Big Bass Subwoofer

Ka21 Professional Sound High Quality Speaker 21 Inch Big Bass Subwoofer. 21 Inch Neodymium Driver: 1x21 inch neodymium cone driver delivers powerful low-frequency response. High Power Output: Rated power 800W with peak power up to 1800W for professional performance. Premium Birch Plywood Cabinet: Constructed from first-grade Russian birch plywood with waterproof polyurea paint. Adjustable Directivity: Standard or cardioid configuration allows coverage of specific geometric audience areas. Deep Bass Performance: Low frequency limit reaches 29 Hz with maximum SPL of 138 dB. Flexible Customization: Offers full customization, minor customization, and customization from samples or designs. Professional Rigging System: Features external rigging kits with high-grade steel components and anti-corrosion coating. Versatile Application: Ideal for concerts, shows, DJ events, stage, KTV, and professional performances.