Video of RWM4401UH :

 Questions for factory:

1. What is the range of mics. It says 200-260 indoow but maybe the range is more than this no ?
2. Does it have Color coded microphones ?
3. We don’t know if its better than rwm90u and it cost much more

Features:

• Rockville RWM4401UH UHF Wireless (4) HandHeld Microphone System with LCD Display
• High performance wireless hand held microphone system
• Includes RWM4401UH transmitter with (4) hand held, high sensitivity, unidirectional, wireless cardioid microphones
• Professional rack mount design with LCD displays
• Color coded microphones
• Rack mountable rugged metal housing mic receiver
• Comfortable ergonomic composite microphone construction
• Low power consumption for longer battery life
• Featuring a dual filter design to limit feedback and interference
• Individual microphone volume control
• Color coded microphones
• Comfortable ergonomic composite microphone construction
• Low power consumption for longer battery life
• Ultra signal stability minimizes audio artifacts
• Operating Range: 300´ – 400´(indoor), 250´ – 350´(outdoor)
• Channel: Four Channel
• Frequency Range: 467-490
• 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: XLR balance & 1/4" unbalanced
• Power Voltage: AC110V-240V 50/60Hz
• Operating Temperature: 14°F-122°F
• Mic Battery Operating Time: up to 10 hours

Available in 4 Frequencies:

	A Mic	B Mic	C Mic	D Mic
Group 1	523.8 MHz	530.6 MHz	525.9 MHz	545.1 MHz
Group 2	520.6 MHz	527.4 MHz	540.5 MHz	550.3 MHz
Group 3	517.8 MHz	534.2 MHz	548.3 MHz	553.7 MHz
Group 4	515.1 MHz	537.8 MHz	542.6 MHz	556.8 MHz