DD Audio VO-B2AThe B2a has the efficiency and output of a classic bullet tweeter with modern updates making it look and perform better than ever. The titanium diaphragm is driven with a high energy neodymium motor resulting in more output with less weight. The neo motor also allows for a more compact design thats easier to install. A mesh grill and red anodized heat sink give the B2a a high end aesthetic with added diaphragm protection and improved voice coil heat