Allen & Heath GL2800M-48


Allen & Heath GL2800M-48

The Allen & Heath GL2800M is a dedicated monitor console offering an easy to use innovative tool set for simultaneously mixing large numbers of wedges and in-ears. With the benefits of personal freedom a tailored mix for each musician and a quiet stage IEM (in ear monitor) monitor systems have become increasingly popular with performers and engineers alike. With its 16 mixes and true stereo IEM capability the GL2800M is able to handle many combinations of wedge and in-ears and even includes a built-in mic splitter. The engineer is provided with dual listen wedge/IEM monitoring as well as a host of useful tools for setting up the system.


  • 48 channels
  • 16 mixes globally assigned as mono or stereo with level and pan
  • Built-in mic splitter with ground lift switching
  • All masters include polarity switch, swept HPF and 6dB dim function
  • Mix 1-8 include 2 band swept frequency output EQ
  • Engineer's IEM and wedge monitors with faders, meters, inserts and XLR
  • IEM/wedge monitor external inputs for FOH comms and IEM rack monitoring
  • Mix AFL assignable to either wedge or IEM monitor
  • PAFL logic includes PFL override AFL, mono/stereo AFL, PFL to wedge enable
  • Headphones follow IEM mode, includes 1/4" and 3.5mm jacks
  • Individual phantom power
  • Ultra low-noise mix head amp design
  • Talkback with independent selection to all mixes and external output
  • Talk latch mode for use with switched hand held talkback mic
  • Built-in oscillator/ pink noise generator assignable to any mix output
  • 4 mute groups
  • Mutes on all master faders
  • 100Hz channel high pass filters
  • Compact footprint ideal for flight casing and saving space at side of stage
  • Solid individual card, nutted pot construction in a no nonsense all steel chassis
  • Uses RPS11 linear power supply unit
  • Built-in dual supply combiner for additional power supply as a backup
  • Same chassis as GL2800
  • 100mm dust-protected faders
  • 4-pin lamp sockets Allen &38; Heath LED Lamp available
  • Internal jumper plugs for pre/post EQ aux, direct out and other options

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    • Model: GL2800M-48
    • Manufactured by: Allen & Heath

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    Most users do not need a license to operate a wireless microphone system. Nevertheless, operating a microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888- CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC’s wireless microphone website at