The BM-30M is a 30 output portable broadcast media mult box which has been designed with the needs of professional news and conference and production organization in mind. Mic or line level input w/ VU meter. 30 XL balanced and isolated outputs. 10 unbalanced line level outputs. 10 unbalanced mic level outputs. (8 mini and 2 phone each) Rechargable auto switching battery, tone oscillator and headphone/monitor output. Rugged Zero Haliburton case included.