Four aux inputs with individual volume controls 35 watt amplifier Built-in transmitter/mic charging with status indicators Intercom system override (works with Multicom or Quantum) Tamper resistant, lockable cover Bass/treble controls, AND 6 band EQ (with EQ in/EQ out switch) Two independent IR receiving channels Teacher mic/transmitter can mute student mic Intercom call-in can be placed from mic/transmitter Lithium-ion batteries for maximum life before charging Handy, rotating wall mount (available separately) allows easy, quick connections Line level booster/recorder output Line level subwoofer output 70v, 25v and 8 ohm outputs Confirmation tone and confirmation tone level control