Model 3300

Audio Monitor (A-M Systems)


to Transform Electrophysiological Signals into Sounds


High-quality audio amplifier with 6-band equalizer, high-fidelity speaker dedicated notch filter, headphone jack, and BNC line out.

  • Simple to Use
  • Dual-Channel Input
  • Standalone Gain

The Model 3300 Audio Monitor is a high-quality audio amplifier designed to transform electrophysiological signals into sounds.

This amplifier features a built-in 6-band audio equalizer that enables the user to tailor the audio performance to their personal satisfaction, a high-fidelity quality speaker, a dedicated notch filter designed to minimize noise interference generated by power lines, a headphone jack, and an BNC line out jack that enables the the Model 3300 to be used as another signal amplifier prior to subsequent processing by other instruments.

The Model 3300 includes:

  • Operator's manual
  • Power supply
  • Rack mount hardware



Gain: 1 V/V, 10 V/V, 100 V/V

Sensitivity: 0.01 p-p

Input impedance: 20 MΩ

Frequency Range: 22 Hz - 22 kHz

Noise (22 Hz–22 kHz, 470 Ω source) 14 µV p-p

External power supply for low noise