Home All Microphone Amplifier (MVA 20) Microphone Amplifier (MVA 20) Categories: All, Instruments Description Strenghtens the microphones frequency Vinka: VNR60433 Related products ADF-Reciever (ADF-60A) AllRead more Static inverter (PC-14B A) AllRead more ILS-Receiver (FNG-20FAF) All, InstrumentsRead more Vertical speed indicator (PW42RC-PC-1) All, InstrumentsRead more