model440Brownlee Precision manufactures high performance laboratory amplifiers specifically tailored to the needs of electrophysiology research. These are sold under our brand Brownlee Precision.


laboratory amplifiers

The Model 440 is a four-channel analog amplifier featuring single-ended or differential inputs, high gain, low noise, and a very high impedance input stage.  It includes 8-pole Bessel lowpass filtering, highpass filtering, and line frequency notch filtering.

Our customers appreciate the bright digital displays, simple front panel knobs for adjusting all settings, and the rugged rack-mountable cabinet.


+1 650-318-1411 |