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Allen & Heath GX4816 48 XLR Input/16 XLR Output Portable GX Expander

Allen & Heath GX4816 48 XLR Input/16 XLR Output Portable GX Expander

Regular price $2,499.50 USD
Regular price $4,999.00 USD Sale price $2,499.50 USD
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Everything We Love in an Audio Expander - The Allen & Heath GX4816 48 XLR Input/16 XLR Output Portable GX Expander

GX4816 is a 96kHz Audio Expander that provides high-input-count remote expansion for SQ, Avantis and dLive mixing systems, and for the AHM-64 audio matrix processor. Each GX4816 is loaded with 48 dLive mic preamps with independent Phantom Power LED indicators, plus 16 XLR line outputs. Additionally, 2 DX ports are provided for connection to up to 4 DX Expanders for further I/O expansion. Connection to a ME Personal Mixing System is possible via the DX2 socket when used with SQ, dLive and Avantis. GX4816 connects via a single Cat5e cable to an SLink socket on a SQ, Avantis or AHM-64, or to a gigaACE audio network card on a dLive system. Connection to DX Expanders and the ME Personal Mixing System is also over Cat5e cable.


  • 48 Mic Preamps On XLR with Phantom Power Status LEDs
  • 16 XLR Line Outs
  • 96kHz Operation
  • DX1 Port compatible with a single DX32, or up to 2 DX168/DX164-W expanders
  • DX2/ME Port compatible with a single DX32, up to 2 DX168/DX164-W expanders, or a ME personal monitoring system (not compatible with AHM-64).
  • Compatible with SQ, Avantis, AHM-64 and dLive (firmware 1.9 onwards) systems
  • Multiple GX4816 Can Be Added To A System:
  • Up to 2 GX4816 Units Can Be Added To A SQ System
  • Up to 3 GX4816 Units Can Be Added To An Avantis System
  • Up to 5 GX4816 Units Can Be Added To A dLive S Class System
  • Up to 3 GX4816 Units Can Be Added To A dLive C Class System
  • Rack-mounted (5u) or Shelf/oor operation
  • Plug and Play No IP Addressing Required
  • Compatible With CAT5e (or higher) Cables Of Up To 100m
  • Locking EtherCon Ports


SPECIFICATIONS

  • Mic/Line XLR Inputs: Balanced XLR, +48V phantom power
  • Analogue XLR Outputs: Balanced, Relay protected
  • Mic/Line Preamp: Fully recallable
  • Output Impedance: <75Ω
  • Input Sensitivity: -60 to +15dBu
  • Nominal Output: +4dBu = 0dB meter reading
  • Analogue Gain: +5 to +60dB, 1dB steps
  • Maximum Output Level: +21dBu
  • Pad: -20dB Active PAD
  • Residual Output Noise: -95dBu (muted, 22Hz-22kHz)
  • Maximum Input Level: +30dBu (PAD in)
  • Input Impedance: >4kΩ (Pad out), >10kΩ (Pad in)
  • Mic EIN: -127dB with 150Ω source
  • Phantom Power indication: Per socket, internal or external phantom power sensing, triggered at 24V
  • Mains Voltage Operating Range: 100-240V AC, 50/60Hz
  • Operating Temperature Range: 0°C to 40°C (32°F to 104°F)
  • Mains Power Consumption: 80W max

Dimensions and Weights

  • GX4816: 481.6 x 255 x 229.5 mm x 8kg (18.9” x 10” x 9” x 17.6lbs)
  • GX4816 boxed: 560 x 385 x 310 mm x 10kg (22” x 15.2” x 12.2” x 22lbs)


Manufacturer: Allen & Heath
Model: AH-GX-4816
SKU: I619346-9-WHXB


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Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.


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