The Atlas Sound AA60, a 3 input channel mixer amplifier designed for distributed business paging and background music (BGM) systems, small to medium speech privacy systems and in applications where music on hold (MOH) plus paging is required. The AA60 has a special Low Cut filter that is 6dBu / octave at 400Hz and also bypasses front panel bass control to allow use with paging horns like the APX40TN and AP-15T.