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Allen & Heath GX4816 (AH-GX-4816) Portable GX Expander

48 XLR In - 16 XLR Out - Rack-mountable (5RU)

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What's in the box:

  • Allen & Heath GX4816
  • IEC mains lead
  • 1-year Limited Warranty


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High-input-count remote expansion for SQ, Avantis and dLive mixing systems

Allen & Heath GX4816 (ANH-GX4816) is a Portable GX Expander I/O Expander for Allen & Heath digital mixing systems. It provides 48 remote controlled mic/line preamps and 16 XLR line outputs, as well as 2 DX ports for further system expansion or connection to the ME personal mixing system. The GX4816 connects to the mixer over a single Cat5e cable.


  • 48 XLR High end, low noise mic preamps
  • 16 XLR Line outs
  • Independent 48v indicator
  • Rack-mountable (5RU)
  • Plug and Play – no IP addressing required
  • Compatible with CAT5e (or higher) cables of up to 100m
  • DX 2 is ME compatible
  • 2 additional DX ports

Specifications for the Allen & Heath GX4816

{ "Inputs" : { "Mic/Line XLR Inputs" : "Balanced XLR, +48V phantom power", "Mic/Line Preamp" : "Fully recallable", "Input Sensitivity" : "-60 to +15㏈u", "Analogue Gain" : "+5 to +60㏈, 1㏈ steps", "Pad" : "-20㏈ Active PAD", "Maximum Input Level" : "+30㏈u (PAD in)", "Input Impedance" : ">4kΩ (Pad out), >10kΩ (Pad in)", "Mic EIN" : "-127㏈ with 150Ω source", "Phantom Power indication" : "Per socket, internal or external phantom power sensing, triggered at 24V" }, "Outputs" : { "Analogue XLR Outputs" : "Balanced, Relay protected", "Output Impedance" : "<75Ω", "Nominal Output" : "+4㏈u = 0㏈ meter reading", "Maximum Output Level" : "+21㏈u", "Residual Output Noise" : "-95㏈u (muted, 22㎐-22㎑)" }, "Power" : { "Mains Voltage Operating Range" : "100-240V AC, 50/60㎐", "Mains Power Consumption" : "80W max" }, "Dimensions and Weights" : { "Width x Depth x Height x Weight" : { "GX4816" : "481.6 x 255 x 229.5㎜ x 8㎏ (18.9" x 10" x 9" x 17.6lbs)", "GX4816 (boxed)" : "560 x 385 x 310㎜ x 10㎏ (22" x 15.2" x 12.2" x 22lbs)" } }, "Temperature" : { "Operating Temperature Range" : "0°C to 40°C (32°F to 104°F)" } }

Research Materials for Allen & Heath GX4816 (ANH-GX4816)

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GX4816 (ANH-GX4816) Specifications

GX4816 (ANH-GX4816) Brochure

GX4816 (ANH-GX4816) User Guide

GX4816 (ANH-GX4816) Drawing

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