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Audio2000'S AWM6122U

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AWM6122U - Rechargeable UHF Dual-Channel Wireless Microphone System



                                       Front view




The Audio2000'S AWM6122U Plug-In-N-RechargeTM UHF dual-channel wireless microphone system is a wireless microphone system with the recharge mechanism right on the top of the receiver (AWR6122U) and on the microphone (AWX6120).   Intended to be a solution provider for various application environment, the AWM6122U system is developed to provide the following benefits to the users:

Friendliness: The Plug-In-N-RechargeTM feature, with the recharge mechanism built right on the microphone and the receiver, makes the wireless microphone systems ready to be used at any time.
Dependability: The AWM6122U system has been designed and manufactured to be dependable, problem free, versatile and easy to use.
Quality: The AWM6122U system has been engineered to have a wide audio frequency range, high S/N ratio, and outstanding performance.  A delicately designed silence circuit eliminates static noise when the transmitters are either turned off or out of transmission range.  An auto mute circuit is incorporated in these systems to effectively eliminate the popping noise when the switch is turned on or off.
Affordability: The AWM6122U system is intended to be readily accessible to everyone with exceptional performance at a preferred and affordable price.


Musician; disc jockey (DJ); karaoke jockey (KJ); church; school; conference room; karaoke; home entertainment




* UHF Band Frequency
* Recharge Mechanism Built-in on the Receiver
* Balanced and Unbalanced Audio Outputs
* Full Rack Case with Power and RF Indicators
* Audio Level (AF) LED Indicators
* RF Input with Built-in RF Preamplifier to Improve S/N Ratio, Sensitivity and Dynamic Range
* Low Noise Mixer Circuitry for Reducing interference
* Two Squelch Control Knobs (One for Each Channel) at the Rear Panel
* 12V-18V DC Power Supply


1. Power On/Off Switch
2. Channel A Volume Level Control

3. Channel A Recharge LED Indicator
4. Channel A Power Indicator
5. Channel A RF Indicator
6. Channel A Audio Level LED Indicator
7. Channel A Recharge Socket

8. Channel B Volume Level Control
9.Channel B Recharge LED Indicator
10. Channel B Power Indicator
11. Channel B RF Indicator
12. Channel B Audio Level LED Indicator
13. Channel B Recharge Socket


1. Unbalanced Mixed Audio Output (1/4” Jack)
2. Balanced Channel B Audio Output (XLRM Jack)

3. Balanced Channel A Audio Output (XLRM Jack)
Channel B Squelch Control Knob

5. Channel A Squelch Control Knob
6. DC Input
7. F-Connector for Channel A Antenna
8. F-Connector for Channel B Antenna


Carrier Frequency Range

 UHF Band

Frequency Stability

 +/- 0.005%

Receiving Sensitivity

 -105 dB

S/N Ratio

 85 dB

Audio Output

 ” and XLR (0 – 300 mV @ 600 Ohms)

T.H.D.  < 0.5%

Antennae Type

 F Connector

Dimensions (W X H X D)

 16.5 X 1.7 X 7.1 (420 X 42 X 180 mm)




* UHF Band Frequency
* Recharge Mechanism at the Bottom of the Handheld Microphone
* High Sensitivity Cardioid Capsule for Handheld Microphone
* High Sensitivity Condenser Capsule for Lavalier Microphone
* Noise Reduction Mechanism for Eliminating Handling Noise and Switch Shock Noise
* Battery LED Indicator



1. Microphone Windscreen
2. Microphone Housing
3. Low Battery LED Indicator

4. On/Off Switch
5. Battery Cover
6. Recharge Contacts




Carrier Frequency Range

 UHF Band

Frequency Stability

 +/- 0.002%


 Frequency Modulation (FM)

Modulation Depth


Output Power

 10mW, Max.

Spurious Emission

 > 55dB

Current Consumption  <150mA


 Rechargeable AA Battery (1.5V)

Dimensions (W X H X D)  9.7" X 2.0" X 2.0" (245 X 51 X 51 mm)


Carrier Frequency Range

 UHF Band

Frequency Stability

 +/- 0.005%

Audio Frequency Response

 50 – 15,000Hz

S/N Ratio

 > 100dB

Max. SPL  110 dB


 < 0.5%

Service Area  100 ft (30M)
Operation Temperature  14 F -122 F (-10 C - +50 C)



  • Take the antennas from the shipping box and connect the antennas to the F connectors on the rear panel of the AWR6122U receiver.  Set the antennas at an angle 45  from the floor and 90  away from each other to achieve the best RF reception.
  • Connect the AWR6122U receiver DC input to an AC power source via the supplied AC/DC adaptor.
  • If needed, adjust the squelch control of each channel to overcome any excessive external interference signal or noise that exists when the transmitter is turned off. If the external interference signal or noise exists when the transmitter is off, adjust the squelch control knob slowly until the unwanted interference signal or noise is muted. (Note: Setting the squelch too high will reduce the range of this wireless system.)
  • Connect the AWR6122U receiver audio outputs to the microphone inputs of a mixer via phone plug cables.   (Note: There are three outputs: one unbalanced mixed output, one balanced channel A output, and one balanced channel B output.)
  • If the AWX6120 handheld microphones are to be used in the wireless system, place two rechargeable AA batteries into the battery housing of each AWX6120 microphone with the battery polarity oriented as indicated. If the batteries need to be recharged, set the AWX6120 microphones (with the recharge contacts facing downwards) onto the recharge sockets on the AWR6122U receiver. (Note: Never recharge any battery that is not made to be rechargeable.)  The orange recharge LED indicators will be on when the batteries are being recharged. After the batteries are fully charged, the orange recharge LED indicators will turn greenf.
  • Turn on the power of the AWR6122U receiver.
  • Turn on the On/Off switch on each of the AWX6120  microphones. The low battery LED indicator will blink once and then stay off. If the low battery LED indicator stays on, recharge the rechargeable AA batteries in the AWX6120 microphone.
  • Once the AWX6120 handheld microphones are turned on, the RF indicators on the receiver will be on to indicate a proper reception.


  • The AWX6120 microphone is equipped with a microphone sensitivity adjustor (Mic. Adj.).  Turn the Mic. Adj. Knob clockwise to increase the microphone input sensitivity. Turn the Mic. Adj. Knob counter-clockwise to reduce the microphone input sensitivity.
  • The brand new rechargeable AA batteries for the handheld microphones need to be charged before use.
  • The AWX6120 handheld microphone needs to be turned off before changing the batteries or battery.
  • The AC/DC adapter used for the AWR6122U has a DC output of 12-18V, tip positive.
  • Signal dropout or unexpected noise may be caused by a low battery or by an excessive distance between the microphone and the receiver.  If you encounter signal dropout or unexpected noise, please check the batteries first.  If batteries are still fresh, try to readjust the antennas on the AWR6122U receiver.
  • Do not drop the microphone on the floor or strike the microphone with any object.
  • Always turn off the microphone and remove the batteries if the microphone is not to be used for a period of time to prevent the microphone from being damaged by a leaking battery.
  • Avoid placing the receiver in a corner to prevent any RF reception deterioration.
  • Try to place the receiver as far away from any digital equipment, including computers and some CD players, as possible.


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