This complete white noise package consists of the cage speaker (ENV-224AM) and a 28 V DC powered white noise amplifier. The white noise amplifier cable connects to any available output on a standard Med connection panel. It is powered by 28 V DC and can be enabled from any interface card with 28 V DC drivers. The frequency response is flat from 10 to 25,000 Hz (-3 dB). The amplitude (90 dB max.) is controlled by a ten-turn potentiometer. The amp volume is factory set to 80 dB. This unit can be used either to generate an auditory stimulus or simply for background masking.

Dimensions:
Amplifier: 2.0" W x 2.75" D x 1.75" H
(5.1 cm x 6.9 cm x 4.4 cm)
Panel: 3.0" W x 3.25"H (7.6 cm x 8.3 cm)