SPL Gainstation 1, Microphone Preamp, High quality Class A micro and instrument preamp, 60 V technology, 125 dB dynamic with 30 dB gain, Separately adjustable solid-state and tube preamps for a stepless transition from clean transistor preamplification to tube saturation, Peak limiter, Switchable input impedances: 200 Ohm, 1.2 kOhm and 10 kOhm, Adjustable high-pass filter: 12 dB / 50 Hz, 48 V phantom power, Frequency response linear up to 200 kHz, Also ideal for mobile use, Device is also available including AD converter: Art.#161723#