The Saramonic SmartRig Plus is a high quality audio mixer and pre-amp with phantom power on two channels. It has two combination sockets which allow direct connection of 1/4" TRS guitar or instrument jacks or 3.5mm or XLR microphones, and outputs to a TRRS jack as used on iPhone, iPad, iPod Touch, Android devices or TRS-type DSLR camera and camcorder sockets. Switcheable 48V phantom power is available and there is a 3.5mm headphone monitor socket.