The MO2020se is a signal generator for electronic testing in the audio frequency range. It has XLR, RCA and 1/4" unbalanced sine wave outputs, and a 1/4" unbalanced square wave output. For external control or sweeping of the frequency range, a 1/4" VCO input is provided to receive 1.2 to 5 volts dc.
 
Specifications
Output Level: 11 dB Sine 14 dB Square
Output Impedance: 100 Ω
Power: 12 - 15 Volts DC
THD (Sine): <3%
Frequency range from 20Hz to 24kHz
Balanced XLR, RCA and 1/4" unbalanced Outputs
Sine and Square wave outputs
-30 dB pad for referencing