Lake People Mic-Amp F366D, four-channel ultra-low noise microphone preamplifier with excellent audio performance and common features. Ideal for bypassing insufficient mixing console preamps or for " direct-to-tape" sessions. Channel features: Electronically balanced input via XLR, gain 0...+66 dB switchable in 12 steps of 6 dB, lo-cut, 12 dB/oct., 70hz, noise -129 dB at 60 dB gain, switchable 48 V phantom powering, switchable phase reverse, 4 step level meter, 0...-15 dBr may be calibrated individually inside, electronically balanced outputs via XLR, options: transformer balanced outputs, options: F366-S two channel preamp, option: F366-T six channel preamp,