The Master Audio MA16W4+4 is a professional 6.5-inch dual voice coil woofer, designed for use in PA speakers and high-performance sound systems. With a maximum power of 150W and a soft suspension, it ensures clear, dynamic sound and high durability at elevated levels, while its dual voice coil construction offers flexibility in connecting to different speakers and systems. Ideal for upgrading or repairing speakers, it combines durability and efficient sound performance in compact dimensions.