3-channel audio mixer with USB interface for direct PC/Mac recording 16 preset digital effects for professional sound customization Built-in sub output & EQ control for MP3 playback Six sound modes available (Normal, Rock, Pop, Classical, Jazz, Country) Flexible connectivity for microphones, instruments, and external devices Ultra-low noise design with high headroom Combo microphone jack connector (XLR & 6.35mm) Voice echo effect & delay features for enhanced vocal performance Smooth rotary-style faders for mic, USB, line, and master controls Independent channel balance & frequency adjustment LED signal clip indicators for monitoring input levels USB interface: Plug-and-play connection to Mac or PC