IMG Stageline MX-1IO, 1-Channel USB Recording Interface, Integrated USB audio interface (is recognised and addressed as an external sound card), Full-duplex USB port (simultaneous recording and playback possible) for playing digital audio data from the computer and for recording the mixing on the computer, 1 Mono input channels with XLR input (mic) and 6.3 mm jack input (switchable line / instrument), Switchable 20 dB attenuation and LED level display, Switchable input channels mono / stereo, 1 Additional stereo input, 1x 6.3 mm Jack output L / R, 1 x 3.5 mm Stereo jack output, Adjustable headphone output, Phantom power: + 48 V, switchable per channel, Stereo LED level meter, Frequency range: 20-20000 Hz, THD = 0.03%, Crosstalk attenuation: 92 dB, Dimensions (W x H x D): 120 x 50 x 110 mm, Weight: 498 g