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Q-Audio QWM 1900 GB Wireless UHF Instrument System


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Quick Overview

The Q-Audio QWM 1900 GB is a UHF wireless guitar bug system that allows you to connect your guitar to an amplifier wirelessly using a transmitter and a receiver.

Q-Audio QWM 1900 GB Set


The Q-Audio QWM 1900 GB is a wireless UHF guitar bug system, plug the transmitter into your instrument and then plug the receiver into an amplifier or mixer and get playing without the need for extensive wires.

The QWM 1900 GB’s transmitter features an 8-hour battery life so you can continuously play for hours at a time without any problems and has a frequency response of 50Hz – 20 kHz which provides excellent sonic capabilities. It also features a power switch and a 15dB Pad switch as well as two LED indicators for power on and low battery. The receiver operates on a frequency of 863 to 865MHz and uses an automatic frequency scanner to find the frequency of the transmitter. This system is designed for DJs and musicians, guitarists and bassists or any instrument with an electronic pickup and a 6.3mm jack output.

  • UHF wireless guitar bug system
  • PLL system with multi-channel receiver and built-in ACT system

Designed for:

  • DJs & musicians
  • Guitarists
  • Bass guitarists
  • Any instrument with an electronic pickup

Simply plug the transmitter into the jack output of your instrument then plug the receiver into an amp or mixer channel and you’re ready to go!


  • Uses future proof frequencies
  • Channel 70 frequency band
  • Frequencies: 863 – 865MHz
  • Auto frequency scanning
  • SMT technology
  • Preset 16 channel PLL system
  • Frequency stabilisation: <±30ppm
  • Dynamic range: >100dB
  • Total harmonic distortion: <0.5%
  • Frequency response: 40Hz-15KHz ±3dB
  • Ideal working distance is up to 30 metres
  • Power consumption: 100mA
  • Signal to noise ratio: >100dB
  • Image & spurious rejection: >80dB
  • Border upon channel rejection: >80dB
  • Receiving sensitivity: 5dBuV (SINAD=30dB)
  • De-emphasis: 50us

Guitar Transmitter:

  • RF output power: 10dB+/-1dB
  • Spurious: -50dBm
  • Modulation: 40K
  • Pre-emphasis: 50u sec
  • Maximum Input Level: +2dBV
  • Input Impedance: 20K ohms
  • THD: <0.8% (1KHz 100mV)
  • Audio Frequency response: 50Hz-20KHz+/-3dB
  • Operating Power Voltage: 1.5V (Typical 1.0v, Minimum 2v Max)
  • Current consumption: 80mA
  • Battery Life: 8 hours
  • Antenna: permanently attached 1/4 wave length wire
  • Controls: Power switch, 15dB Pad switch
  • Indicators:
  • Power on (LED flash)
  • Low battery (LED ON when battery less than 1V
  • ACT (LED flash)
  • Multiple units not compatible
  • Weight: 0.4kg

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Q-Audio QWM 1900 GB Wireless UHF Instrument System