Hisonic UHF dual Wireless System provides you with proven performance and durability in a variety of settings, from churches to nightclubs to gymnasiums, from concert halls to broadcast booths and stadiums. Each HSU288 Series UHF wireless microphone system includes one receiver and two handheld transmitters, each of which has 100 selectable channels to avoid any unpleasant interference from other sources and for easy system expansion as well. Specifications: * UHF 640-690Mhz * Modulation Mode: PLL * Bandwidth: 50 Mhz * Stability +-0.0005% * Dynamic Range: 100dB * Max Deviation: +- 80KHz * Frequency Response: 100Hz-15Khz +-3dB * S/N: >105dB * Distortion: <0.5% * Power: 120V This system has a total of 4 outputs, two are standard 1/4" outputs, the other two are individual balanced XLR outputs. Type: Microphone System Features: True diversity dual 200-ch microphone system, 100 channels per microphone. Easy and convenient automatic frequency pairing. Ideal for stage performance, school plays, church activies and etc. Parts: 1-year manufacturer's warranty Labor: 1-year manufacturer's warranty