Disc Jockey equipment, karaoke equipment, Commercial Sound equipment, Video and Lighting
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Karaoke Handheld Wireless Microphone System

Our Products: Wireless Microphone
SKU: a2sdualwireless
Why buy shure, Audio Technica, EV, AKG or Sennheiser when you can have a fantastic wireless microphone system at half the cost. 100 Selectable UHF Channels and the hand held microphones run on inexpensive AA Batteries. More details...
Price: $299.99
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Karaoke Handheld Wireless Microphone System
Karaoke Handheld Wireless Microphone System
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Product Details


* Dual Channel Diversity Wireless Receiver
* 100 Adjustable Frequencies with PLL Synthesized Control

* UHF Band Frequency
* Two Independent XLR Balanced Outputs
* One 1/4"
Unbalanced Audio Output
* 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
* Removable Antennas
* LCD Display Panels and Computerized Numerical Control


Carrier Frequency Range
 UHF Band
Frequency Stability
 10 ppm
Receiving Sensitivity
 -105 dBm (S/N: 12 dB)
S/N Ratio
 > 105 dB
 < 1%
Audio Output
Ό” (0 – 360mV @ 3K Ohms
XLR (0 – 24mV @ 600 Ohms)
Dimensions (W X H X D)
 19.0” X 1.7” X 8.4” (483 X 43 X 213 mm)



* UHF Band Frequency
* 100 Adjustable Frequencies with PLL Synthesized Control

* High Sensitivity Cardioid Microphone Capsule
* Audio Level Adjustment Knob for the AWX6540M, AWX6540H, and AWX6540G
* Noise Reduction Mechanism for Eliminating Handling Noise and Switch Shock Noise

* Computerized Numerical Control
* LCD Display Panel



Carrier Frequency Range

 UHF Band

Frequency Stability

 10 ppm


 Frequency Modulation (FM)

Modulation Depth


Output Power

 10mW, Nominal (with 50 Ohms Load)

Spurious Emission

 > 55 dB


 AA Batteries X 2

Current Consumption

 < 100 mA

Dimensions (W X H X D)

Handheld: 9.6” X 2.0” X 2.0” (245 X 50 X 50 mm)
Belt-Pack: 4.7” X 2.6” X 0.9” (119 X 67 X 24 mm)






No sound.

Receiver is off.

Turn on receiver.

Transmitter power switch is off.

Turn on transmitter power switch.

No battery or bad battery in transmitter.

Insert or replace battery.

Wrong polarity or faulty battery contact

Correct polarity or battery contact.

Receiver audio cable is missing or defective.

Connect, repair or replace cable.

Short range or signal dropouts.

Low transmitter battery level.

Replace transmitter batteries.

Poor antenna reception.

Reposition antenna or receiver.

Faulty transmitter antenna.

Return transmitter to factory or authorized service station for service.

Too many obstacles between the receiver and transmitter.

Move the obstacles or move the receiver away from nearby metal objects.

Signal Interference.

Another wireless microphone operating on the same frequency

Use a wireless microphone with different operating frequency.

Placement too close to a digital signal processor or similar device (CD player, stage lighting, etc.).

1.       Select another operating frequency

2.       Move receiver to another location

External electromagnetic field source

1.       Select another operating frequency.

2.       Remove source of interference


Low transmitter battery level

Replace transmitter batteries.

AF Level control on the transmitter set too high, overloading the receiver circuit.

Turn down the AF Level control on the transmitter.

Volume control on the receiver set too high, overloading the subsequent sound device input.

Turn down the volume control on the receiver.

Momentary loss of sound when transmitter is moved around the performing area.

Radio frequency (RF) blind spots.

Reposition the receiver.  If the momentary loss of sound problem cannot be removed, walk through the performing area and mark “Blind” spots.  Avoid these “Blind” spots during performance.

Low sound level.

Faulty cable connection.

Check cable connection between the receiver and the subsequent sound device.

Receiver volume control set too low.

Turn up receiver volume control.

Sound levels between two microphones are different.

The receiver volume control and/or  the microphone AF Level control need to be adjusted.

1.       Adjust the transmitter gain control as necessary.

2.       Adjust the receiver volume control as necessary.


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