Hammer & Anvil MX-SLR100 Two Channel DSLR Micro Mixer Hammer & Anvil MX-SLR200 2 Channel XLR Inputs Audio Mixer for DSLR Camera & Camcorders - Hammer & Anvil 1 Year USA Warranty Inputs: One stereo 1/8 (3.5 mm) Mini-Jack Input Two mono 1/8 (3.5 mm) Mini-Jack Inputs Output: One stereo 1/8 (3.5 mm) Mini-Jack Output Dual Trim Control Knobs: Adjust the signal to each channel to the optimum recording levels Mono /Stereo Switch: Select mono or stereo output mode