Atlas Sound Strategy AA120 Amplifier - 120 W RMS - 6 ChannelOverview Specifications 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 port may be assigned to