50 Watts x 4, Removable Faceplate W/ Case, System Q sound control, LCD Display with blue backlight, Removable Faceplate

50 Watts x 4, MP3 /WMA/CD-R/CD-RW Playback, LCD Display with Blue, Background, System Q Sound control, Removable Faceplate w/ Carrying case

50 Watts x 4, MP3/WMA/CD-R/CD-RW Playback, System Q Sound control, LCD Display with Color Multi mode, Selectable rear/non-fading Preout, Flip-Down Removable Face w/ Carrying case

50 Watts x 4, MP3/WMA/CD-R/ CD-RW playback, Dual-Zone Audio Control, High-Pass & Low Pass Electronic Crossovers, Motorized Slide-Down Removable Faceplate w/ Carrying case, LCD Display w/ Fluorescent Backlight