HIGH CALIBER SOUND. PIONEER PRO AUDIO LOGOTHE PIONEER PRO AUDIO BULIT SERIES IS DESIGNED FOR GREAT AUDIO FEEDBACK WHILE PRACTICING, PRODUCING, AND CREATING MUSIC. THESE STUDIO MONITORS ARE OFFERED IN THREE MODELS WITH VARYING SIZE DRIVERS FIVE, SIX, OR EIGHT INCH TO FIT YOUR TASTE AND ENVIRONMENT. EACH MODEL FEATURES EXCELLENT SOUND QUALITY, IMPROVED BASS RESPONSE AND RELIABILITY, THREE TYPES OF INPUTS, AND BUILT-IN EQUALIZATION, USEFUL IF YOU WANT TO ACHIEVE THE HIGHEST ACCURACY IN SOUND REPRODUCTION. THE BULIT8 ACTIVE REFERENCE MONITOR IS SOLD AS A SINGLE MONITOR.