VS15A SUB is a sub-woofer specially created by Viscount to extend the depth of sound in organ amplification systems. With integral processed amplifier and a sturdy, lightweight structure, the VS15A SUB combines with the other Viscount organ speaker systems to create user-friendly, great quality systems, guaranteeing top reliability even in the most critical situations. The VS15A SUB is equipped with a powerful 625 Wrms (1250 Wpeak) amplifier Class D (digital amplifier) complete with an anti-clipping device for automatic prevention of amplifier saturation and the consequent signal distortion. The VS15A SUB has a 15 inch driver and a crossover filter allowing selection of the frequencies to be sent to other speakers systems; it could not be easier to produce extremely efficient amplification systems with response reaching down to the lowest frequencies (20Hz).