the t.mix MicroMix 1 USB, 2-Channel Micro Mixer, 2 x Mono channel with XLR / 6.3 mm combi jack (Mic / Line), Includes +18 V phantom power, 1 x Stereo RCA output, 3.5 mm Jack headphone and 3.5 mm jack microphone input, Level adjustment, 2-Band tone control per channel and pan control, Gain and peak controls, USB audio interface, USB power and host, Frequency response: 20 - 22,000 Hz, Signal-to-noise ratio: 80 dB, Dimensions: 100 x 45 x 135 mm, Weight: 430 g