Rockville
RWM81U
RWM81U
Dual Wireless UHF Headset Microphone System
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Features
- Dual UHF wireless headset system with 400-foot indoor range
- Two independent channels with individual volume controls
- Advanced dual filter design reduces feedback and interference
- Up to 10 hours battery life per microphone for extended performance
- Receiver with color display shows frequency and signal status
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What's Included in the box
- 2 wireless headset microphones
- 1 receiver unit
- 2 1/4" guitar cables
- User manual
- Batteries
- Power adapter
SKU: SKU: RWM81U
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Product Description
Experience True Wireless Freedom: 400-Foot Range Dual Headset Microphone System
Features
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Extended Wireless Range
UHF technology provides reliable audio transmission up to 400 feet indoors and 350 feet outdoors, giving performers and presenters complete freedom of movement.
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Dual Independent Channels
Two separate microphone channels with individual volume controls allow simultaneous use of both headsets for paired presentations or multi-instructor environments.
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Advanced Anti-Feedback Design
Sophisticated dual filter system minimizes feedback and interference while maintaining crystal-clear audio quality with 100dB signal-to-noise ratio.
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Extended Battery Performance
Low power consumption technology delivers up to 10 hours of continuous operation per microphone, supporting full-day events without interruption.
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Professional Audio Monitoring
Multifunction color display shows frequency, signal synchronization, and audio levels, providing real-time system status and professional control capabilities.

Technical Specifications
- Type Dual Wireless UHF Headset Microphone System
- Operating Range 300-400' (indoor), 250-350' (outdoor)
- Channels Two Channel
- Frequency Range 560.10 - 577.60 MHz
- Frequency Stability ±0.005%
- Modulation Mode UHF
- Frequency Response 50Hz - 15KHz (±3 dB)
- Dynamic Range 105dB
- Signal-to-Noise Ratio 100dB
- Total Harmonic Distortion 0.5% (1KHz)
- Audio Output XLR balanced & 1/4" mixed
- Power Supply 110V
- Operating Temperature 3°F - 130°F
- Battery Life Up to 10 hours
- RF Output Power 10mW
- Output Level 0 – 300mV
- Weight 2.95 lb
- Dimensions 9.05" x 6.69" x 1.96"
Support
How To Set Up Your RWM81U
How to setup your RWM81U
RWM81U HEADSET MIC
RWM81U HEADSET MIC TRANSMITTER 560.10MHz
RWM81U HEADSET MIC TRANSMITTER 562.10MHz
RWM81U HEADSET MIC TRANSMITTER 564.10MHz
RWM81U HEADSET MIC TRANSMITTER 566.10MHz
RWM81U HEADSET MIC TRANSMITTER 568.10MHz
RWM81U HEADSET MIC TRANSMITTER 569.60MHz
RWM81U HEADSET MIC TRANSMITTER 571.60MHz
RWM81U HEADSET MIC TRANSMITTER 573.60MHz
RWM81U HEADSET MIC TRANSMITTER 575.60MHz
RWM81U HEADSET MIC TRANSMITTER 577.60MHz