Professional 7-Channel Mixer Console Specifications: Built-in 250w+250w/4ohm amplifier, can be selected as Main+Main,Main+Monitor or Main Only(Bridged operation,500W/4ohm)16 types of digital effector allows the user to add reverb or ambiance to the mix7 input channels compatible with MIC/LINE level(Channel 1-5 accept stereo line inputs, Channel 6-7 accept USB player or stereo line inputs)3-band EQ on each input channelDual 7-band graphic equalizers available for both main and monitor mixerSwitchable global phantom power for all mic iniput connectorsEffect out for external signal processingTurn on delay, protection of over-thermal, short circuit and zero offsetTape in and out (via RCA/phono connectors) allows for connection of a tape/CD Player without taking up a main input channelPower Supply: 115V/230V WHO WE ARE: Welcome to Rich Audio Supply Co., Ltd., part of Xi'an Far East Import&Export Co., Ltd. Located in Ningbo, we are an import&export trading subsidiary of Xi'an Far East Group. Diverse Professional Audio Equipments are available under our Accuracy Pro Audio brand. We are committed to providing our customers with quality products that represent the best value for our customers' investment. We are dedicated to your continued satisfaction! Should you have any question or concern, please feel free to contact us @ Tel: 86-574-87936703 Fax: 86-574-86288162 Your attention will be highly appreciated!