The Control SB-2 provides low frequency reinforcement in subwoofer/satellite systems. The Control SB-2 is ideal for foreground music and music/paging systems in restaurants, retail establishments, theme bars, music cafes, health clubs, and other indoor applications.FEATURES:• Components: 250 mm (10 in) dual voice coil transducer.• Stereo inputs with high-pass outputs for satellite speakers.• Slot-load vented bandpass design.• Complemented full range Control Contractor Series systems.• High Sensitivity: 100 dB, 1 W, 1 m.