AmpliVox Wireless Multimedia Amplifier Black. For more flexibility in presentations up to 4 mics can be used simultaneously: 2 wireless one dynamic and one condenser with phantom power. Cordless portable 50-watt multimedia stereo amplifier with 3 mic inputs line in with separate volume & tone controls; line out. The SW805A works with most microphones including condenser dynamic and wireless. The condenser (electret) input includes phantom power. All 3 mic inputs can be used simultaneously. Tape record your mixed multimedia presentation as it is happening. Or provide a mixed output to the room's built-in sound system that you control.Power with 10 D-cell alkaline batteries (not included) for up to 200 hours or Optional 1460 AC adapter or S1465 Rechargeable NiCad Battery Pack (requires S1460 AC adapter). Specifications for AmpliVox Wireless Multimedia Amplifier: Manufacturer: AmpliVox Included Accessories: SW805A Wireless Amplifier Color: Black Features of AmpliVox Wireless Multimedia Amplifier 50 Watt Multimedia Stereo Amplifier with built-in 16 channel wireless UHF receiver 3 mic inputs (dynamic condenser wireless) can be used at the same time Line-in with separate Volume and Tone controls for CD/Computer Projector Line-out to record presentation in real time 2 speaker jacks Package Contents: AmpliVox Wireless Multimedia Amplifier SW805A Wireless Amplifier AmpliVox SW805A: Wireless Multimedia Amplifier Black