This Multipurpose, Lightweight and Battery Powered stereo sound system amplifier meets a variety of audio amplification needs. Multiple inputs and separate volume and bass / treble controls make adding inputs simple and adaptable. Optional Wireless Version adds compatibility for UHF Wireless Microphones. The S805A/SW805A works with most microphones, including condenser, dynamic and wireless units.The amplifier features: dual wireless microphone jacks for multiple presenters, auxiliary input for iPhone or CD player, line out for recording, additional speaker jacks and volume and tone controls. There is even a siren button.The condenser (electret) input includes phantom power. All 3 mic inputs can be used simultaneously. Tape record your multimedia presentation as it is happening - or provide a mixed output to the room''s built in sound system that you control.