The new REDLINE Series coaxials and component speakers were designed to take your daily listening to the next level without taking your hard earned cash. These 5.25 inch speakers offer compact motors and baskets, making them ideal for a quick and easy drop-in installation. A balance between power efficiency and power handling design elements allow these speakers to perform well at factory power levels, while they really come to life when paired with an aftermarket DD Audio amplifier. SOLID PERFORMANCE. SIZABLE SAVINGS. Learn more about the DD REDLINE Series products.