The SmartRig+ is a portable 2-channel XLR microphone audio mixer from Saramonic, designed for recording professional-quality audio. Key features include:

• Connecting professional microphones and guitars (or other instruments) to smartphones, tablets, DSLR cameras, or camcorders.
• Two independent channels for simultaneous connection and gain adjustment for multiple microphones or guitars.
• Three types of inputs: two combo XLR / 1/4" and two 1/8" jacks for connecting any instrument or microphone.
• Ability to switch between mono and stereo audio.