- 500 Series - Stepless input gain - Instrument input on the front - DC Coupled ribbon mic with 10 dB gain boost setting - 48V Phantom power - 15 dB Pad - Frequency range: + 0 / -3 dB: from 3 Hz to over 300 kHz - Polarity flip - Construction: API Series 500 Rack Format EUR 1045.00 - See more - Buy online