Compact format audio mixer with 2, 4 or 6 mono input channels and a stereo line input. Each mono channel has a combo XLR/jack input with individually switchable mic/instrument impedance and +48V phantom power for the XLR. Input channels have High/Low EQ and Pan controls and mono channels also have Effects level to vary the amount of internal digital delay effect added for vocals or instruments. An internal player/recorder with backlit display can accept a USB memory stick containing compressed audio files in various formats or alternatively connect to a smart phone via BT wireless link. Output is delivered on a pair of balanced XLR connectors and offers very low noise operation for high quality studio or live performances.