Apart Concept 1 has a stereo or two mono channel (2 x 80 watts @ 4 ohms) amplifier for small and medium-sized projects.This CONCEPT1 2-zone integrated stereo amplifier can operate with one stereo zone, two volume-linked mono zones or two individual-volume mono zones. The unit can be controlled via RS232 what makes integration into your AV solution possible. Comes with a remote control.