Vanco A220SUBAMP. Subwoofer Amplifier, 220watts total

The A220 may be small in physical appearance but its got all the muscle you need to driveeven the most demanding subwoofers to house thumping levels. The A220 is a Class D 220 Watts amplifier that when properly installed, runs cool underalmost any load. Overview  The A220 features a stereo/mono line level audio input that can receive full band audio fromany audio amplifier, receiver or preamp or an LFE input from an appropriately featured device.The A220 also features a stereo speaker level input. Amplified stereo audio will pass throughthe A220 full-band and unprocessed to a pair of connected stereo speakers. The speaker levelinput will also be processed by the A220 crossover, phase and volume controls to enhanceand optimize low frequency content. This feature is an easy way to add amplified in-wall orin-ceiling subwoofers to multi-room audio amplifiers that do not have zone-specific line leveloutputs. The adjustable crossover allows fine-tuning the A220 Sub OUT setting to properlycom