White Noise Amplifier

ENV-225SM
White Noise Amplifier with Cage Speaker - Rat

This complete white noise package consists of the ENV-224AM Cage Speaker Module and a 28 V DC powered white noise amplifier. The white noise signal is activated by a ground (-28 V) signal and may be run continuously for background masking or intermittently as an audio stimulus. Frequency response is flat (-3 dB) from 10 to 25 KHz. The amplitude is screwcdriver adjustable up to a maximum of 90 dB.

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ENV-325SW
White Noise Package

This package is identical to ENV-225SM except that the speaker module is the ENV-324W which is sized to fit the modular mouse chambers and mazes.

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