Additional Details ------------------------------ Product description: ART MX821S 8-Channel Personal Mixer Stereo NEW! Eight independent input channelsLevel and tone controls on each channelBalanced XLR and 1/4" unbalanced line inputs on each channel48 Volt phantom power on XLR inputs with DIP switch for each channelBalanced TRS 1/4" main output jack with master level controlRCA-type pre-fade output (not affected by master level control)RCA-type Aux buss input jack for channel expansionSolid single high rack mount chassis with built In power supply Product Description The ART MX821 is a versatile rack mount mixer combining eight independent input channels into a single mono line level mixed output. Essential features include XLR mic and 1/4-inch line inputs, individual level and tone controls, switch-selectable +48 Volt phantom power on each channel. Main output is balanced low impedance. An additional pre-fade output and auxiliary buss input jacks allow patching multiple MX821''s together when more channels are needed.Built in power supply and single high 19-inch rack mount format allows for easy installation and reliable long term operation.