AN-1000X Powered Monitor - Two-way speaker monitor. FEATURES: 103 dB SPL from 50W Amplifier High Efficiency Speaker, AC Powered, Two-way Speaker System, Balanced Input, Mic/Line Configurable with Female XLR Switchable Phantom Power, Hi-Z RCA Line Level Input, Hi-Z 1/4in Line Level Input, Hi-Z RCA Line Level Output, 1/4in Speaker Output, Bass and Treble Controls and Magnetically Shielded Speakers.