Rockville RPA7000UWM 1000w 2 Chan Pro/Karaoke Amplifier/Mixer w/(2) VHF Mics+USB RPA6000USB: Professional Mixing Power Amplifier with AM/FM Digital Tuner. 19" rack mountable (removable rack brackets) digital hybrid amplifier/receiver. 4 Ohms: 125w x 2 RMS and 500w x 2 Peak. 8 Ohms: 100w x 2 RMS and 400w x 2 Peak. Built-in Preamplifier. Multicolor LED display. Digital Quartz Synthesized AM / FM tuner w/50 presets & auto scan. Preset EQ (rock, pop, classical, jazz). Remote control for quick access to all functions. Vacuum Fluorescent Digital output display meters. Separate gain controls for pre-amp & subwoofer. Digital karaoke system. 2 front microphone inputs w/volume, tone and echo controls. Built-in mic mixer with echo control. USB input for music files from USB thumb drive. 3.5mm input for iPod / MP3 player. Turbo cooling twin fan system. 1/4" headphone jack. Inputs and Outputs: Inputs On Front of Unit. ipod/mp3 - 1/8 mini jack style. 1/4 headphone jack. 1/4" Mic 1 and Mic 2 Inputs. USB Input. Rear Inputs. RCA Input for DVD or CD. Rear Outputs. Preamp output for an external additional amplifier or powered speaker. Sub preamp output to connect a powered subwoofer or an amplifier. Rear Speaker Terminals. Banana plug / binding post outputs for 4 speakers (2 on Channel A and 2 on Channel B).