Stereo mixer with 2 channels, 2 microphone inputs and a USB input.
Features:

1. USB input
2. mp3-decoder

Specifications:

1. power supply: 230VAC~50Hz
2. power consumption: 5W
3. audio inputs:
   1. mic: 20mV, unbalanced
   2. phono: 15mV/1kHz, unbalanced
   3. line: 0.8V, unbalanced
4. frequency response: 20Hz-20KHz
5. S/N ratio: >80dB (line in)
6. crosstalk: >50dB (line in)
7. maximum USB stick capacity: 32 Gb
8. dimensions: 235 x 60 x 135mm
9. weight: 0.71kg

promix50ua5v02.pdf