SPL Gainstation 1 AD, Microphone Preamp, High quality class A micro and instrument preamp, With 24 bit / 192 kHz AD converter, 60 V technology (125 dB dynamic at 30 dB gain), Separately controllable solid-state and tube preamps for seamless transition from cleaner transistor pre-amplification to tube saturation, Peak limiter, Switchable input impedances (200 Ohm, 1.2 kOhm and 10 kOhm), Adjustable high pass filter 12dB / 50Hz, 48 V phantom power, Frequency response linear up to 200 kHz (!), Also ideal for mobile use, Device is also available without 24 bit / 192 kHz AD-converter (article nr: #161721#)