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UHF 99-Channel Stereo In-Ear Monitor System

WF-U199 INEAR monitoring system is for all those professionals who need maximum mobility on stage without losing a reliable stereo monitoring system and high-quality audio. Rugged, reliable, easy to transport and install, the WF-U199 INEAR features independent Stereo/Mono modulation functions, PLL technology and 99 channels. The pocket receiver is equipped with illuminated LCD and is absolutely easy to set up. It is supplied with earphones that provide an optimal reproduction of the entire audio spectrum. In the package you can also found various ear-fitting pads for an individual fit. The half-rack receiver unit is provided with a 19” standard rack mount kit. All connections are balanced and assure maximum audio standard.

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Key features & Specifications


Key features

UHF Phase Lock circuit, stable and low harmonic radiation
99-Channels in 10 Groups with frequencies arranged in order to avoid interferences
606 - 613.5 MHz Carrier Wave Frequency Range
User-friendly interface with a wide illuminated LCD Display
Independent Mono/Stereo Modulation Function between Transmitter and Receiver
Excellent circuit design to achieve the best signal/noise ratio
Supplied with High-Dynamics Earphones in soft Case
Compact and robust Receiver Configuration Design
Stereo Balanced/Unbalanced XLR/Jack (combo) Inputs
19” Standard Rack Mount Receiver with Mounting Kit
Balanced/Unbalanced Inputs with Combo Connectors
More specifications


Carrier Frequency UHF 606-613.5 MHz
Channel Number 99 in 10 groups
Frequency Stability ±0.005%, PLL phase-locked loop frequency control
Modulation FM Stereo
Effective Working Distance 80 meters (without obstacles)
Oscillation Mode PLL phase-locked frequency synthesizer
Maximum Deviation ±68KHz
Comprehensive S/N ratio >105dB
Comprehensive T.H.D <0.4% @1 KHz
Frequency Response 40Hz-16 Hz± 3dB
Stereo Separation =45dB @1 KHz
Transmitter Chassis Specifications EIA 19” standard half-Unit
Transmitter Output Power 10mW
Transmitter Audio Input 2x Line Inputs with Combo Connectors (XLR and jack 6.3mm)
Transmitter Audio Output 6.3mm Stereo Jack
Receiver Audio Output Socket 3.5mm stereo headphone jack
Receiver Audio Output Power 2x150mW (THD3%)
Receiver Battery 2x AA-Type Batteries
Receiver Current consumption 185mA (typical)
Receiver Battery Current/life About 7 hours
Transmitter Size (WxDxH) 210 x 182 x 43 mm
Transmitter Weight 1.06 kg
Receiver Size (WxDxH) 66 x 26 x 111 mm (antenna excluded)
Antenna Size (W/DxH) Ø4 x 105 mm
Receiver Weight 143 g (batteries included)
Packing Size (WxDxH) 315 x 44 x 102 mm
Packing Weight 3 kg

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