PSⅡ Series systems include full-range systems,subwoofer and low frequency cabinets. PSⅡ Series systems are engineered to maintain the inherent coherency of two-way designs in the broadest practical range of applications.Advanced cone transducers deliver maximum output and thermal stability.Uses a unique cabinet design and rotatable constant directivity asymmetrical dispersion horn to provide both PA and stage monitor performance.This series combine with PS processor so that it can make perfect, powerful and strong sound effect.Great sound systems start with great speakers.Start your today with Seer Audio PSⅡ Series audio system.