Behringer X Air X1818 st, Digital, 16 st, 6 st, 2 Track Return, Headphone output, RCA stereo input, USB, MIDI, RCA stereo output, AUX return, AUX send, 16 st, 2 st, Suitable for PA use/Rack mount, Built-in Wi-Fi, App control, Talkback, Subgroups, Phantom power, Graphic EQ, Compressor/Limiter, Delay, Reverb, Filter