Heavy Duty Powered Speaker 4400 Watt PRO Audio 21′ ′ Neodymium Subwoofer

Heavy Duty Powered Speaker 4400 Watt PRO Audio 21′ ′ Neodymium Subwoofer. High Power Output: 4400 Watt program power with 2200 Watt AES rating for professional audio. Neodymium Magnet: Lightweight neodymium magnet ensures high efficiency and powerful bass. Wide Frequency Range: Delivers deep bass from 29Hz to 1000Hz with 97dB sensitivity. Durable Construction: Aluminum chassis and heavy-duty basket design for long-lasting performance. Optimized Cooling: Advanced cooling system with demodulating ring prevents overheating. Large Excursion: 53mm peak-to-peak maximum excursion for deep and accurate sound. Triple Roll Surround: Triple roll surround design ensures resonance-free and robust operation. Quality Assurance: Strict QC system with advanced testing equipment ensures zero defects.