Phoenix Audio Ascent Two, 2-Channel Preamp with Instrument Input, Class A, Balanced microphone input stage without transformer, 40 dB variable gain, Output: +26 dBu @ 1kHz, Inherent noise: -90 dB @ 20 Hz to 20 kHz, HI Z instrument input, Switchable high pass filter: -6 dB per octave @ 80 Hz, Additional Vari filter (variable high pass filter): 70 - 400 Hz in 21 steps, 15 dB input pad, LED level meter, Phase reverse, 48 V phantom power switchable, Build: 19"" / 1 U