AEA RPQ3, Microphone Amplifier, 2 Channels, 85 dB Gain, Two-band EQ for processing the treble and bass, Balanced insert per channel (before EQ), Switchable 48 V phantom power and phase inversion, Equivalent noise level: -130 dBu (typical), 40 Ohm source, Equivalent noise level: -128 dBu (typical), 150 Ohm source, Max. XLR output level: +27 dBu at 600 Ohm, Input impedance with phantom power: 11.3 kOhm, Input impedance with phantom power: 68 kOhm, Dimensions (W x D x H): 482 x 228 x 457 mm, Weight: 2 kg