The Saramonic SR-PAX1 Two-Channel Audio Mixer, Preamp, Microphone Adapter is designed to be a compact, two-channel active audio mixer, as well as pr-amplifier as well as phantom power making, is compatible with DSLR camcorders and cameras.
The Saramonic SR-PAX1 Two-Channel Audio Mixer, Preamp, Microphone Adapter is capable of recording high-quality audio from two different sources and then mixing them into your camera simultaneously.

The Saramonic SR-PAX1 Two-Channel Audio Mixer, Preamp, Microphone Adapter easily attaches to the base of your camera as well as a threaded socket to enable you to mount it to a tripod or case.
Featuring two XLR inputs, two 3.5mm TRS inputs as well as two 1/4″ inputs and a 3.5mm TRS output jack. Each input level on each channel can be controlled with different gain-control knobs.