Here's the specs on the mixer:

EURORACK UB502
Ultra low-noise ULN design, highest possible headroom, ultra-transparent audio
1 new state-of-the-art, studio-grade IMP “Invisible” Mic Preamp with:
- 130 dB dynamic range for 24-bit, 192 kHz sampling rate inputs
- Ultra-wide 60 dB gain range
- Lowest possible distortion 0.0007% (20 Hz - 20 kHz)
Effective, extremely musical 2-band EQ and peak LED on mono channel
5 balanced high-headroom line inputs
State-of-the-art 4580 operational amplifiers provide lowest noise and distortion—better than 4560 op amps
Main mix outputs plus separate headphones and stereo tape outputs
Tape inputs assignable to main mix or phones outputs
High-quality sealed rotary controls from ALPS® for long-term reliability
External power supply for noise-free audio and superior transient response
Extremely rugged steel construction ensures long life even under the most demanding conditions
Conceived and designed by BEHRINGER Germany

Gary