12" Subwoofer and (3) 5" Piezo Tweeters - Two 1/4" Microphone Inputs - Ported Enclosure for Added Bass Response - Built In Crossover Network - Portable Carrying Handles * USB Flash and SD Memory Card Readers with FM Radio - One 3.5mm Aux Line Input (Compatible With All MP3 Players And Devices With Headphone Outputs) - RCA Output for Connecting Passive Speakers - Frequency Response: 20Hz-20kHz * USB Provides 5V 1A Charge for Smart Phones and Other Devices - RCA Stereo Input And Output - 1000 Watt Peak / 500 Watt RMS Power @ 4Ohm - Crossover Frequency: 3.5kHz - Dimensions: 27.6"H x 16.5"W x 13.4"D * Display Screen Shows Number of Songs, Play Time and FM Radio Frequency - One 1/4" Lo-Z Guitar Input Jack With Volume Control - Woofer Magnet Weight: 30 oz. - 35mm Speaker Stand Mount * Disco Lights with On/Off Control - 7 Band EQ with EQ On/Off Control - Sensitivity (1W/1M): 90dB - AC 110/220V Power Switch