The AX1 is an incredibly compact and battery-free 2-channel microphone and audio mixer. It features two 3.5mm TRS inputs with dedicated input level attenuators and a single 3.5mm TRS output. It also includes both 3.5mm TRS and TRRS output cables. Making it an ideal mixer solution for DSLR, Mirrorless and Video Cameras, Smartphones, Handheld Recorders, Laptops and much more. 3.5mm(1/8inch)stereo input 3.5mm(1/8inch)left/right mono input Mono/Stereo switch Integrated with a 1/4inch threaded screw Left/right gain controls Frequency Response:20-20000Hz Input level: equal 35dB Includes 3.5mm TRS to TRS audio cable,3.5mm TRS to TRRS audio cable Inputs: 2 x 3.5mm TRS Output: 1 x 3.5mm (TRS Mono/Stereo) Frequency Response: 20Hz to 20kHz Color: Black Material: plastic Package Contents: 1 x Microphone 1 x Data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.