ADJ WM-219 2-channel UHF wireless microphone system

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2-channel UHF wireless microphone system


The American Audio WM-219 is a 2-channel UHF wireless microphone system that includes two wireless microphones, two different color coded rings (to differentiate each microphone) and a wireless receiver with individual volume control and audio input for each microphone.


• Individual volume controls on each channel

• On/Off power switch

• 2 Individual 3-pin XLR balanced microphone outputs 

   + One 1/4-inch mixed output

• 2 removable antennas and extension cables for 

   front mounting

• Rugged 1RU Metal Receiver Chassis

• Quartz Controlled Fixed Frequency 



• 2x Hand Held Wireless Microphones (AA batteries  

   not included)

• 2x Microphone Colored Rings

• 1x 2-Channel UHF Wireless Receiver

• 2x Detachable UHF Antennas

• 1x Power Cable

• 2x Rack Ears to mount in 19-inch rack mount



• Wireless Range: 300 ft. (90M) line of site*

• Battery life with full charge: 6-10 hours

• Frequency Range: UHF 540-590MHz

• Dynamic Range: >98dB

• Total Harmonic Distortion: <1%

• Frequency Response: 50HZ ~ 14KHz 3dB

• Signal to Noise Ratio: >85dB

• Audio Output Level: 0-300mV (Balanced: 0-2V)

• Transmitting Power: +10sBM


*Actual wireless range will depend on RF signal absorption 

and interference 



• Receiver Dimensions (LxWxH): 16.5”x9”x1.75” / 420x230x45mm

• Receiver Weight: 1.5 lbs. / .68kg.




The WM-219 is designed for use in PA, karaoke, mobile entertainers, schools and houses of worship. It has a wireless range of 300 feet / 90M (line of site) and each microphone has 6-10 hour battery life.