The 40881 is a 25/70V 50W Audio Amplifier which supports
distributed audio system in a classroom or other environment
that needs installation in a plenum space. The amplifier
supplies 50W of power, 25W per channel, and is an industry
standard 25V/70V design. The unit supports many professional
features which make it suitable for most applications. The
device includes noise reduction technology on both the 3.5mm
as well as RCA Stereo Audio inputs.