The SMP100 Class D Digital Subwoofer Amplifier from OSD Audio is a compact 100W amplifier designed to power passive subwoofers used in home theaters or whole house audio systems. Despite its small size, this 'tiny but mighty' powered sub provides the necessary power to in-wall or stand-alone subwoofers, allowing you to experience room-shaking low-frequency impact (bass) on movie and music soundtracks.
The advanced crossover circuit of the SMP100 can be set at different frequency ranges (35Hz to 160Hz) and can be adjusted with the front-panel control knob, while the highly efficient Class D technology runs cool under demanding loads. Other features include front-panel adjustable phase and volume controls, choice of speaker level or audio line level inputs (RCA), and an auto sensing feature that automatically turns the amplifier on or off when a signal is detected.