JTS MA-123 adjustable attenuator for balanced microphones.
Frequency Response: 20Hz-20kHzAttenuation: -10db, -20db, -30dbInput Impedance: 1.6k OhmsOutput: Impedance: 660 OhmsInput Connector: XLR FemaleOutput Connector: XLR MaleDimensions: 20 x 23 x 113mmWeight: 50g