This is a Frisby FS-5500US 5.1 channel multimedia speaker system. It is a 5.1 surround sound system, which uses five full-bandwidth channels and one low-frequency effects (LFE) channel. The system includes a central unit yhe subwoofer with controls and three smaller satellite speakers, as visible in the image. It features inputs for auxiliary, USB/SD, and 5.1/stereo audio sources. The central unit has an integrated digital display that shows the time
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