6-channel audio mixer with built-in recording interface 16 digital effects for enhanced audio mixing Built-in SUB output and EQ control for MP3 playback Supports multiple sound modes (Normal, Rock, Pop, Classical, Jazz, Country) USB interface for direct connection to Mac or PC Ultra-low noise design with high headroom Integrated sound card for seamless computer recording Smooth rotary-style faders for Mic, USB, Line, and Master controls 4 XLR + 6.35mm stereo input & output connectors Voice echo effect & delay controls Independent channel & master volume controls Audio signal clip LED indicator lights