RCA RS2656 5 Disc CD Changer BookShelf Audio System (Discontinued by Manufacturer) 400 Watts Total System Power Includes 100 Watt Subwoofer - 2 x 50W @ 8 Ohms + 2 x 100W @ 6 Ohms, 10%THD, Subwoofer - 100W Bass Boost / Preset EQ / Custom EQ - 5 EQ presets (rock, pop, jazz, classical, flat) that optimize sound tones to suit all tastes and music genre. Plus bass boost for deeper more powerful bass Digital AM/FM Tuner with 32 Presets - Allows for best possible station tuning and fast channel changing. 32 stations can be stored in memory for quick future access MP3/WMA/Audio CD Playback - Plays back mp3 and Windows Media Audio files along with traditional audio CD Neo-5 CD Changer Systems with an Ultra-Compact Design - Ultra compact design provides easy loading and simultaneous play &amp; load