The AT Series Mixer Amplifiers are designed and made in Australia to meet the stringent requirements of the Australian Souncl Reinforcement Inclustry. The amplifiers are self contained suitable for table mounting, they can be stackecl for multiple use, up to a maximum of four units high. An optional racl< mount kit is also available. All models have four universal channel inputs suitable for microphone, line or auxiliary levels, without the need for switching or connection changes.