Atlas Sound AA120 amplifier is a powerful 120 Watt amplifier engineered with unique features to assist the contractor or installer in today's commercial business audio environment. This 6 input unit features extensive muting and output options along with a very unique bridge in/out feature to allow combining of multiple amplifiers in ballroom applications without the need for external relays. VCA control is included which may be assigned to the BGM input or globally for the entire amplifier.