The H2 Audio 0011/Stereo 2-Channel Mic Pre/EQ comes with the authentic Helios 2128 microphone preamp circuit, offering 70 dB of gain in 5 dB steps.
It also includes a 20 dB pad, “Lustraphone” input transformer, a balanced line-in segment, an inductor-based LF/MF EQ section with selectable LF and MF, fixed 10 kHz HF controls, phase control, EQ bypass, and a High Pass filter with original 40 Hz and 80 Hz filter points, along with 48V phantom power.