Features:

• Rockville RWM2602UR UHF Wireless Dual Recharageable HandHeld Microphone System
• High performance wireless hand held microphone system
• Built in charging dock for microphones
• LED microphone charging LED indicator
• Includes RWM2602UR transmitter with (2) rechargeable hand held,
  high sensitivity, unidirectional, wireless cardioid microphones with
  rechargeable batteries
  
• Professional rack mount design with LCD displays
  
• Featuring a dual filter design to limit feedback and interference
  
• Individual microphone volume control
  
• Comfortable ergonomic composite microphone construction
  
• Low power consumption for longer battery life
• AF/RF LED Indicators
  
• Ultra signal stability minimizes audio artifacts
  
• OSA technology: Locates, prioritizes, and selects the clearest frequency for the best sound quality
  
• Operating Range*: 200´-260´(indoor), 160´-220´(outdoor)
  
• Frequency Range: 614MHz-698MHz
  
• Frequency Stability: ±0.005%
  
• Modulation Mode: UHF
  
• Frequency Response: 50Hz-15KHz(±3 dB)
  
• Dynamic Range: 110dB
  
• S/N: 90dB
  
• T.H.D: < 0.1%(1KHz)
  
• Audio Output Jack:  (Ch1/Ch2) XLR balanced + 1/4? mixed
  
• Power Voltage: AC110V-240V 50/60Hz
• Rechargeable Battery: 1.2V
  
• Operating Temperature: 14°F-122°F
  
• Mic Battery Operating Time: up to 8 hours
  

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About Rockville Quality Control Procedures:
The Rockville brand stands for Quality, Innovation and Value. All Rockville products go through the most rigorous quality control standards in the industry. Products go through months of extensive testing before they reach your hands. All user functions are tested and all internal components are tested for quality. Rockville makes products that are virtually un-breakable! Rockville is one of the only brands in its class to test every concept model for weeks or months before starting production. Once production begins, Rockville sends product engineers to their factory to quality control every line of production. During production every product is tested and on top of that Rockville goes the extra mile and has their high level product engineers do an additional quality control. They test a certain percentage of all products from the production line a second time to ensure that the quality meets their vigorous standards, and to make sure that there is never a batch of products with even a slight problem. All Rockville products are backed with a hassle free warranty.