The Crown CDI-4000 is a 2-channel, 1200W @ 4Ω, 70V/140V Power Amplifier that is part of the CDi Series of power amplifiers. These are professional power amps designed and built for installed sound applications. The CDi Series are all rugged and lightweight, and offer unmatched value in their class.
CDi-Series amplifiers feature an intuitive front-panel LCD screen to guide installers through their configurations. CDi amplifiers also offer onboard DSP for loudspeaker signal processing. Other features include a switch-mode universal power supply, useful function indicators, proportional-speed fan-assisted cooling, removable Phoenix-style inputs, barrier strip outputs for low-Z or 70V/140V loads, short-circuit protection and more.