Features: Brand new and high quality Our professional grade subwoofer diaphragm delivers powerful bass for an enhanced listen experience. Crafted with high quality rubber and iron, our diaphragm ensures durability and long lasting quality. Enjoy clear sound for years to come. Designed for music enthusiasts and professionals, our subwoofer diaphragm is a must have accessory for anyone looking to improve their speaker system. Perfect for home theaters, parties, and live performances, our subwoofer diaphragm delivers impressive bass that will captivates any audience. Take your sound experience to the next level with our subwoofer diaphragm. Immerse yourself in the richness of your favorite music and enjoy its fullness. Specifications: Material:Rubber+Iron Sheet Type:2 inch Square/3 inch Square/4 inch Square/4 inch Round/4 inch Heavy Bass Package Includes: 1x Speaker Diaphragm note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.