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SKU GLXY-AS-1800B3

Galaxy AS-1800 Wireless In-ear Monitor System B3 554-570 MHz

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Frequency Range and Transmitter Output Level Band UHF
Channels 32 Channels / 640 Selectable Frequencies
Frequency Range B3 554~570 MHZ
Operating Range Under Typical Conditions 300' (92m) (in open space)
Note actual range depends on RF signal absorption, reflection, interference, and battery characteristics
Frequency Stability ±0.0005%, Phase Lock Loop frequency control
Total Harmonic Distortion < 0.7% @ 1KHz
Signal to Noise >105dB
Maximum Deviation Range ±68KHz
Operating Temperature Range 14ºF to 122ºF (-10 Cº to +50 Cº)
Oscillation PLL synthesized
Band Width 16MHz


AS-1800T Transmitter ------------------------------------------------------------------------
Number of Channels/Frequencies 640 Selectable Frequencies/32 Channels
LCD Backlit LCD (Displays Channel Number, Frequency, Name, Battery Level of Receiver, L/R AF Input, Stereo/Mono and Lock)
Functions Naming Function
Controls Volume Control
Transmits in Stereo or Mono
Outputs Monitor Output
Indicator AF L/R Indicator
Main Frame Size EIA STANDARD 1/2 U
Modulation Mode FM stereo modulation
Output Power 30mW or 100mW
Spurious Rejection <-60dBm
Frequency Response 45Hz~18KHz±1dB
Audio Input 2-XLR / 1/4" Combo Inputs
Audio Output 1/4" Headphone Out, 2-1/4" line Outputs (Unbalanced)
Power Requirement 12-18 VDC @ 300 mA
Dimensions 1.7" x 8.2" x 8.1" (44mm (H) x 209mm (W) X 206mm (D)
Weight 2.3 lbs 1.04kg
AS-1800R Receiver ------------------------------------------------------------------------
Mode Mixed Mono Mode
Antennas True Diversity
Construction Magnesium Alloy
LCD Backlit LCD (Displays Channel, Frequency, Mute, Lock, and 4 Bar Battery Life)
Output Power 150mW Earphone Output with Volume Control
Functions Button Lock, Auto Mute, Squelch Adjustment, Stereo/Mono Switch
Sensitivity 6dBμV, S/N>60dB at 25 deviation (mono)
Stereo Separation ³45dB (at 1KHz)
Output Connector 1/8" - 3.5mm (Ø) stereo earphone connector
Current Consumption 185mA typical
Power Requirement 2 AA Batteries alkaline or rechargeable (7 hours-Alkaline)
Dimension 4.25" x 2.6" x 0.87" (108mm(H) X 66mm(W) X 22mm(D))
Weight 0.35 lbs (0.16kg)

Manufacturer's Description

The AS-1800 is designed with features for the professional. The body pack receiver is set up for a king. With 150mW's of output to the earbuds, the AS-1800R is sure to be plenty loud for any environment. The receiver has a squelch adjustment, stereo/mono switch, LCD display, button lock, and a Magnesium Alloy Construction.

An unlimited number of receivers may be added at any time.

  • Featuring Mixed Mono Mode
  • 640 Selectable Frequencies / 32 Selectable Channels
  • Backlit LCD (Displays Channel Number, Frequency, Name, Battery Level of Receiver, L/R AF Input, Stereo/Mono and Lock)
  • UHF Phase Locked Loop
  • Stereo or Mono Transmission
  • Multiple Receivers can be used with 1 Transmitter
  • Naming Function
  • 30/100 mW Selectable Transmitter Output
  • Monitor Output
  • Single Rack Mount Included
  • EB4 Earbuds Included
  • 300' Range

The Mixed Mono feature allows performers to adjust the balance of the Left and Right audio signals sent from the transmitter right on the body pack. With Mixed Mono: 

  • The performers can have their vocals in Input 1 and the band mix in Input 2 and adjust the volume of each independently to create their own personal mix, or
  • You can send two different monitor mixes from the board so each performer can decide which mix they want to hear on their belt pack.

AS-1800T Transmitter

  • Easy to Read LCD
  • 2-1/4" Line Outputs (unbalanced)
  • Volume Control
  • Two XLR/1/4" Combo Inputs
  • Naming Function
  • 30/100 mW Selectable Transmitter Output
  • Monitor Output
  • Detachable BNC Antenna

AS-1800R Receiver

  • True Diversity
  • Magnesium Alloy Construction
  • 45-18kHz
  • Mixed Mono Mode
  • Frequency Display
  • Backlit LCD
  • Volume Control
  • Battery Level indicator
  • 150 mW earphone output
  • Button Lock
  • Squelch adjustment
  • Volume Knob
  • Auto Mute
  • Stereo/Mono Switch
  • Dimensions: 4.25" x 2.59" x .86" (108mm H x 66mm W x 22mm D)