a-Class systems are designed specifically for working professionals seeking the ideal balance of sound quality, versatility and value. Benefitting from many of the same design principles behind our flagship h-Class, the a-Class brings similar voicing characteristics to a highly versatile family ideal for of addressing applications ranging from houses of worship to theatres, auditoria and portable PA. And because a-Class voicing is exceptionally consistent, users can easily combine different models into countless configurations while maintaining the signature "family" sound.The complete a-Class features four full-range models, including the ultra-compact a-8 and a-10, as well as the larger a-12 and a-15 systems. Three powerful subwoofers round out the line. Every a-Class full-range model combines a neodymium LF transducer, neodymium compression driver, and a system-optimized, high-order crossover to deliver a smooth and accurate frequency response at maximum SPLs. Each compression driver is mounted to a 70 x 55 degree horn that can be rotated for ideal dispersion in either horizontal or vertical configurations.